Home / 22,930.90-34,363.95-14,139.70

Finding the Fourth Proportional to 22,930.90, 34,363.95 and 14,139.70

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Solution

The fourth proportional to 22,930.90, 34,363.95 and 14,139.70 is: 21,189.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,930.90 : 34,363.95 = 14,139.70 : x
  2. Step 2: Convert to fraction form
    22,930.90/34,363.95 = 14,139.70/x
  3. Step 3: Cross multiply
    22,930.90x = 34,363.95 × 14,139.70
  4. Step 4: Simplify right side
    22,930.90x = 485,895,943.82
  5. Step 5: Solve for x
    x = 485,895,943.82/22,930.90
  6. Step 6: Final answer
    x = 21,189.57

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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.