Home / 10,386.79-14,331.84-5,910.28

Finding the Fourth Proportional to 10,386.79, 14,331.84 and 5,910.28

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Solution

The fourth proportional to 10,386.79, 14,331.84 and 5,910.28 is: 8,155.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,386.79 : 14,331.84 = 5,910.28 : x
  2. Step 2: Convert to fraction form
    10,386.79/14,331.84 = 5,910.28/x
  3. Step 3: Cross multiply
    10,386.79x = 14,331.84 × 5,910.28
  4. Step 4: Simplify right side
    10,386.79x = 84,705,115.66
  5. Step 5: Solve for x
    x = 84,705,115.66/10,386.79
  6. Step 6: Final answer
    x = 8,155.08

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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.