Home / 15,695.40-23,543.10-6,339.90

Finding the Fourth Proportional to 15,695.40, 23,543.10 and 6,339.90

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Solution

The fourth proportional to 15,695.40, 23,543.10 and 6,339.90 is: 9,509.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,695.40 : 23,543.10 = 6,339.90 : x
  2. Step 2: Convert to fraction form
    15,695.40/23,543.10 = 6,339.90/x
  3. Step 3: Cross multiply
    15,695.40x = 23,543.10 × 6,339.90
  4. Step 4: Simplify right side
    15,695.40x = 149,260,899.69
  5. Step 5: Solve for x
    x = 149,260,899.69/15,695.40
  6. Step 6: Final answer
    x = 9,509.85

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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.