Home / 10,373.52-14,315.40-5,657.70

Finding the Fourth Proportional to 10,373.52, 14,315.40 and 5,657.70

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Solution

The fourth proportional to 10,373.52, 14,315.40 and 5,657.70 is: 7,807.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,373.52 : 14,315.40 = 5,657.70 : x
  2. Step 2: Convert to fraction form
    10,373.52/14,315.40 = 5,657.70/x
  3. Step 3: Cross multiply
    10,373.52x = 14,315.40 × 5,657.70
  4. Step 4: Simplify right side
    10,373.52x = 80,992,238.58
  5. Step 5: Solve for x
    x = 80,992,238.58/10,373.52
  6. Step 6: Final answer
    x = 7,807.59

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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.