Home / 10,649.07-14,693.25-6,398.70

Finding the Fourth Proportional to 10,649.07, 14,693.25 and 6,398.70

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Solution

The fourth proportional to 10,649.07, 14,693.25 and 6,398.70 is: 8,828.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,649.07 : 14,693.25 = 6,398.70 : x
  2. Step 2: Convert to fraction form
    10,649.07/14,693.25 = 6,398.70/x
  3. Step 3: Cross multiply
    10,649.07x = 14,693.25 × 6,398.70
  4. Step 4: Simplify right side
    10,649.07x = 94,017,698.78
  5. Step 5: Solve for x
    x = 94,017,698.78/10,649.07
  6. Step 6: Final answer
    x = 8,828.72

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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.