Home / 19,237.02-28,864.17-10,458.78

Finding the Fourth Proportional to 19,237.02, 28,864.17 and 10,458.78

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Solution

The fourth proportional to 19,237.02, 28,864.17 and 10,458.78 is: 15,692.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,237.02 : 28,864.17 = 10,458.78 : x
  2. Step 2: Convert to fraction form
    19,237.02/28,864.17 = 10,458.78/x
  3. Step 3: Cross multiply
    19,237.02x = 28,864.17 × 10,458.78
  4. Step 4: Simplify right side
    19,237.02x = 301,884,003.91
  5. Step 5: Solve for x
    x = 301,884,003.91/19,237.02
  6. Step 6: Final answer
    x = 15,692.87

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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.