Home / 14,981.40-22,428.90-13,426.20

Finding the Fourth Proportional to 14,981.40, 22,428.90 and 13,426.20

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Solution

The fourth proportional to 14,981.40, 22,428.90 and 13,426.20 is: 20,100.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,981.40 : 22,428.90 = 13,426.20 : x
  2. Step 2: Convert to fraction form
    14,981.40/22,428.90 = 13,426.20/x
  3. Step 3: Cross multiply
    14,981.40x = 22,428.90 × 13,426.20
  4. Step 4: Simplify right side
    14,981.40x = 301,134,897.18
  5. Step 5: Solve for x
    x = 301,134,897.18/14,981.40
  6. Step 6: Final answer
    x = 20,100.58

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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.