Home / 21,639.80-32,461.14-7,598.12

Finding the Fourth Proportional to 21,639.80, 32,461.14 and 7,598.12

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Solution

The fourth proportional to 21,639.80, 32,461.14 and 7,598.12 is: 11,397.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,639.80 : 32,461.14 = 7,598.12 : x
  2. Step 2: Convert to fraction form
    21,639.80/32,461.14 = 7,598.12/x
  3. Step 3: Cross multiply
    21,639.80x = 32,461.14 × 7,598.12
  4. Step 4: Simplify right side
    21,639.80x = 246,643,637.06
  5. Step 5: Solve for x
    x = 246,643,637.06/21,639.80
  6. Step 6: Final answer
    x = 11,397.69

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.