Home / 15,558.49-21,463.77-9,587.98

Finding the Fourth Proportional to 15,558.49, 21,463.77 and 9,587.98

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Solution

The fourth proportional to 15,558.49, 21,463.77 and 9,587.98 is: 13,227.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,558.49 : 21,463.77 = 9,587.98 : x
  2. Step 2: Convert to fraction form
    15,558.49/21,463.77 = 9,587.98/x
  3. Step 3: Cross multiply
    15,558.49x = 21,463.77 × 9,587.98
  4. Step 4: Simplify right side
    15,558.49x = 205,794,197.48
  5. Step 5: Solve for x
    x = 205,794,197.48/15,558.49
  6. Step 6: Final answer
    x = 13,227.13

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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.