Home / 15,526.00-21,428.68-9,152.21

Finding the Fourth Proportional to 15,526.00, 21,428.68 and 9,152.21

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Solution

The fourth proportional to 15,526.00, 21,428.68 and 9,152.21 is: 12,631.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,526.00 : 21,428.68 = 9,152.21 : x
  2. Step 2: Convert to fraction form
    15,526.00/21,428.68 = 9,152.21/x
  3. Step 3: Cross multiply
    15,526.00x = 21,428.68 × 9,152.21
  4. Step 4: Simplify right side
    15,526.00x = 196,119,810.07
  5. Step 5: Solve for x
    x = 196,119,810.07/15,526.00
  6. Step 6: Final answer
    x = 12,631.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.