Home / 19,935.20-29,897.40-5,895.20

Finding the Fourth Proportional to 19,935.20, 29,897.40 and 5,895.20

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Solution

The fourth proportional to 19,935.20, 29,897.40 and 5,895.20 is: 8,841.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,935.20 : 29,897.40 = 5,895.20 : x
  2. Step 2: Convert to fraction form
    19,935.20/29,897.40 = 5,895.20/x
  3. Step 3: Cross multiply
    19,935.20x = 29,897.40 × 5,895.20
  4. Step 4: Simplify right side
    19,935.20x = 176,251,152.48
  5. Step 5: Solve for x
    x = 176,251,152.48/19,935.20
  6. Step 6: Final answer
    x = 8,841.20

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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.