Home / 15,641.28-23,444.16-7,311.36

Finding the Fourth Proportional to 15,641.28, 23,444.16 and 7,311.36

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Solution

The fourth proportional to 15,641.28, 23,444.16 and 7,311.36 is: 10,958.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,641.28 : 23,444.16 = 7,311.36 : x
  2. Step 2: Convert to fraction form
    15,641.28/23,444.16 = 7,311.36/x
  3. Step 3: Cross multiply
    15,641.28x = 23,444.16 × 7,311.36
  4. Step 4: Simplify right side
    15,641.28x = 171,408,693.66
  5. Step 5: Solve for x
    x = 171,408,693.66/15,641.28
  6. Step 6: Final answer
    x = 10,958.74

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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.