Home / 12,473.32-17,215.40-7,437.87

Finding the Fourth Proportional to 12,473.32, 17,215.40 and 7,437.87

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Solution

The fourth proportional to 12,473.32, 17,215.40 and 7,437.87 is: 10,265.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,473.32 : 17,215.40 = 7,437.87 : x
  2. Step 2: Convert to fraction form
    12,473.32/17,215.40 = 7,437.87/x
  3. Step 3: Cross multiply
    12,473.32x = 17,215.40 × 7,437.87
  4. Step 4: Simplify right side
    12,473.32x = 128,045,907.20
  5. Step 5: Solve for x
    x = 128,045,907.20/12,473.32
  6. Step 6: Final answer
    x = 10,265.58

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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.