Home / 13,569.90-18,726.35-7,601.61

Finding the Fourth Proportional to 13,569.90, 18,726.35 and 7,601.61

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Solution

The fourth proportional to 13,569.90, 18,726.35 and 7,601.61 is: 10,490.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,569.90 : 18,726.35 = 7,601.61 : x
  2. Step 2: Convert to fraction form
    13,569.90/18,726.35 = 7,601.61/x
  3. Step 3: Cross multiply
    13,569.90x = 18,726.35 × 7,601.61
  4. Step 4: Simplify right side
    13,569.90x = 142,350,409.42
  5. Step 5: Solve for x
    x = 142,350,409.42/13,569.90
  6. Step 6: Final answer
    x = 10,490.16

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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.