Home / 21,555.14-32,308.74-9,071.48

Finding the Fourth Proportional to 21,555.14, 32,308.74 and 9,071.48

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Solution

The fourth proportional to 21,555.14, 32,308.74 and 9,071.48 is: 13,597.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,555.14 : 32,308.74 = 9,071.48 : x
  2. Step 2: Convert to fraction form
    21,555.14/32,308.74 = 9,071.48/x
  3. Step 3: Cross multiply
    21,555.14x = 32,308.74 × 9,071.48
  4. Step 4: Simplify right side
    21,555.14x = 293,088,088.74
  5. Step 5: Solve for x
    x = 293,088,088.74/21,555.14
  6. Step 6: Final answer
    x = 13,597.13

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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.