Home / 21,555.54-32,319.95-9,069.17

Finding the Fourth Proportional to 21,555.54, 32,319.95 and 9,069.17

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Solution

The fourth proportional to 21,555.54, 32,319.95 and 9,069.17 is: 13,598.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,555.54 : 32,319.95 = 9,069.17 : x
  2. Step 2: Convert to fraction form
    21,555.54/32,319.95 = 9,069.17/x
  3. Step 3: Cross multiply
    21,555.54x = 32,319.95 × 9,069.17
  4. Step 4: Simplify right side
    21,555.54x = 293,114,914.00
  5. Step 5: Solve for x
    x = 293,114,914.00/21,555.54
  6. Step 6: Final answer
    x = 13,598.12

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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.