Home / 10,345.68-14,277.36-5,630.28

Finding the Fourth Proportional to 10,345.68, 14,277.36 and 5,630.28

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Solution

The fourth proportional to 10,345.68, 14,277.36 and 5,630.28 is: 7,769.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,345.68 : 14,277.36 = 5,630.28 : x
  2. Step 2: Convert to fraction form
    10,345.68/14,277.36 = 5,630.28/x
  3. Step 3: Cross multiply
    10,345.68x = 14,277.36 × 5,630.28
  4. Step 4: Simplify right side
    10,345.68x = 80,385,534.46
  5. Step 5: Solve for x
    x = 80,385,534.46/10,345.68
  6. Step 6: Final answer
    x = 7,769.96

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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.