Home / 18,326.34-25,285.93-10,772.08

Finding the Fourth Proportional to 18,326.34, 25,285.93 and 10,772.08

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Solution

The fourth proportional to 18,326.34, 25,285.93 and 10,772.08 is: 14,862.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,326.34 : 25,285.93 = 10,772.08 : x
  2. Step 2: Convert to fraction form
    18,326.34/25,285.93 = 10,772.08/x
  3. Step 3: Cross multiply
    18,326.34x = 25,285.93 × 10,772.08
  4. Step 4: Simplify right side
    18,326.34x = 272,381,970.69
  5. Step 5: Solve for x
    x = 272,381,970.69/18,326.34
  6. Step 6: Final answer
    x = 14,862.87

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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.