Home / 9,725.20-14,587.80-9,437.20

Finding the Fourth Proportional to 9,725.20, 14,587.80 and 9,437.20

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Solution

The fourth proportional to 9,725.20, 14,587.80 and 9,437.20 is: 14,155.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,725.20 : 14,587.80 = 9,437.20 : x
  2. Step 2: Convert to fraction form
    9,725.20/14,587.80 = 9,437.20/x
  3. Step 3: Cross multiply
    9,725.20x = 14,587.80 × 9,437.20
  4. Step 4: Simplify right side
    9,725.20x = 137,667,986.16
  5. Step 5: Solve for x
    x = 137,667,986.16/9,725.20
  6. Step 6: Final answer
    x = 14,155.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.