Home / 15,260.09-21,058.72-8,545.66

Finding the Fourth Proportional to 15,260.09, 21,058.72 and 8,545.66

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Solution

The fourth proportional to 15,260.09, 21,058.72 and 8,545.66 is: 11,792.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,260.09 : 21,058.72 = 8,545.66 : x
  2. Step 2: Convert to fraction form
    15,260.09/21,058.72 = 8,545.66/x
  3. Step 3: Cross multiply
    15,260.09x = 21,058.72 × 8,545.66
  4. Step 4: Simplify right side
    15,260.09x = 179,960,587.14
  5. Step 5: Solve for x
    x = 179,960,587.14/15,260.09
  6. Step 6: Final answer
    x = 11,792.90

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1.5x scale

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.