Home / 10,900.49-15,048.27-6,425.68

Finding the Fourth Proportional to 10,900.49, 15,048.27 and 6,425.68

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Solution

The fourth proportional to 10,900.49, 15,048.27 and 6,425.68 is: 8,870.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,900.49 : 15,048.27 = 6,425.68 : x
  2. Step 2: Convert to fraction form
    10,900.49/15,048.27 = 6,425.68/x
  3. Step 3: Cross multiply
    10,900.49x = 15,048.27 × 6,425.68
  4. Step 4: Simplify right side
    10,900.49x = 96,695,349.13
  5. Step 5: Solve for x
    x = 96,695,349.13/10,900.49
  6. Step 6: Final answer
    x = 8,870.74

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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.