Home / 9,840.34-14,763.12-5,672.85

Finding the Fourth Proportional to 9,840.34, 14,763.12 and 5,672.85

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Solution

The fourth proportional to 9,840.34, 14,763.12 and 5,672.85 is: 8,510.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,840.34 : 14,763.12 = 5,672.85 : x
  2. Step 2: Convert to fraction form
    9,840.34/14,763.12 = 5,672.85/x
  3. Step 3: Cross multiply
    9,840.34x = 14,763.12 × 5,672.85
  4. Step 4: Simplify right side
    9,840.34x = 83,748,965.29
  5. Step 5: Solve for x
    x = 83,748,965.29/9,840.34
  6. Step 6: Final answer
    x = 8,510.78

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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.