Home / 10,030.80-13,845.52-6,494.24

Finding the Fourth Proportional to 10,030.80, 13,845.52 and 6,494.24

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Solution

The fourth proportional to 10,030.80, 13,845.52 and 6,494.24 is: 8,964.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,030.80 : 13,845.52 = 6,494.24 : x
  2. Step 2: Convert to fraction form
    10,030.80/13,845.52 = 6,494.24/x
  3. Step 3: Cross multiply
    10,030.80x = 13,845.52 × 6,494.24
  4. Step 4: Simplify right side
    10,030.80x = 89,916,129.80
  5. Step 5: Solve for x
    x = 89,916,129.80/10,030.80
  6. Step 6: Final answer
    x = 8,964.00

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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.