Home / 21,545.19-29,734.02-12,113.82

Finding the Fourth Proportional to 21,545.19, 29,734.02 and 12,113.82

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Solution

The fourth proportional to 21,545.19, 29,734.02 and 12,113.82 is: 16,718.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,545.19 : 29,734.02 = 12,113.82 : x
  2. Step 2: Convert to fraction form
    21,545.19/29,734.02 = 12,113.82/x
  3. Step 3: Cross multiply
    21,545.19x = 29,734.02 × 12,113.82
  4. Step 4: Simplify right side
    21,545.19x = 360,192,566.16
  5. Step 5: Solve for x
    x = 360,192,566.16/21,545.19
  6. Step 6: Final answer
    x = 16,718.00

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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.