Home / 22,426.13-30,948.08-13,000.16

Finding the Fourth Proportional to 22,426.13, 30,948.08 and 13,000.16

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Solution

The fourth proportional to 22,426.13, 30,948.08 and 13,000.16 is: 17,940.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,426.13 : 30,948.08 = 13,000.16 : x
  2. Step 2: Convert to fraction form
    22,426.13/30,948.08 = 13,000.16/x
  3. Step 3: Cross multiply
    22,426.13x = 30,948.08 × 13,000.16
  4. Step 4: Simplify right side
    22,426.13x = 402,329,771.95
  5. Step 5: Solve for x
    x = 402,329,771.95/22,426.13
  6. Step 6: Final answer
    x = 17,940.23

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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.