Home / 22,230.52-30,666.54-13,275.16

Finding the Fourth Proportional to 22,230.52, 30,666.54 and 13,275.16

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Solution

The fourth proportional to 22,230.52, 30,666.54 and 13,275.16 is: 18,312.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,230.52 : 30,666.54 = 13,275.16 : x
  2. Step 2: Convert to fraction form
    22,230.52/30,666.54 = 13,275.16/x
  3. Step 3: Cross multiply
    22,230.52x = 30,666.54 × 13,275.16
  4. Step 4: Simplify right side
    22,230.52x = 407,103,225.15
  5. Step 5: Solve for x
    x = 407,103,225.15/22,230.52
  6. Step 6: Final answer
    x = 18,312.81

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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.