Home / 10,371.59-14,312.31-6,393.08

Finding the Fourth Proportional to 10,371.59, 14,312.31 and 6,393.08

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Solution

The fourth proportional to 10,371.59, 14,312.31 and 6,393.08 is: 8,822.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,371.59 : 14,312.31 = 6,393.08 : x
  2. Step 2: Convert to fraction form
    10,371.59/14,312.31 = 6,393.08/x
  3. Step 3: Cross multiply
    10,371.59x = 14,312.31 × 6,393.08
  4. Step 4: Simplify right side
    10,371.59x = 91,499,742.81
  5. Step 5: Solve for x
    x = 91,499,742.81/10,371.59
  6. Step 6: Final answer
    x = 8,822.15

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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.