Home / 12,935.52-17,838.90-10,291.68

Finding the Fourth Proportional to 12,935.52, 17,838.90 and 10,291.68

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Solution

The fourth proportional to 12,935.52, 17,838.90 and 10,291.68 is: 14,192.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,935.52 : 17,838.90 = 10,291.68 : x
  2. Step 2: Convert to fraction form
    12,935.52/17,838.90 = 10,291.68/x
  3. Step 3: Cross multiply
    12,935.52x = 17,838.90 × 10,291.68
  4. Step 4: Simplify right side
    12,935.52x = 183,592,250.35
  5. Step 5: Solve for x
    x = 183,592,250.35/12,935.52
  6. Step 6: Final answer
    x = 14,192.88

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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.