Home / 19,487.02-29,219.94-9,488.38

Finding the Fourth Proportional to 19,487.02, 29,219.94 and 9,488.38

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Solution

The fourth proportional to 19,487.02, 29,219.94 and 9,488.38 is: 14,227.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,487.02 : 29,219.94 = 9,488.38 : x
  2. Step 2: Convert to fraction form
    19,487.02/29,219.94 = 9,488.38/x
  3. Step 3: Cross multiply
    19,487.02x = 29,219.94 × 9,488.38
  4. Step 4: Simplify right side
    19,487.02x = 277,249,894.30
  5. Step 5: Solve for x
    x = 277,249,894.30/19,487.02
  6. Step 6: Final answer
    x = 14,227.41

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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.