Home / 10,637.30-15,956.34-5,437.10

Finding the Fourth Proportional to 10,637.30, 15,956.34 and 5,437.10

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Solution

The fourth proportional to 10,637.30, 15,956.34 and 5,437.10 is: 8,155.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,637.30 : 15,956.34 = 5,437.10 : x
  2. Step 2: Convert to fraction form
    10,637.30/15,956.34 = 5,437.10/x
  3. Step 3: Cross multiply
    10,637.30x = 15,956.34 × 5,437.10
  4. Step 4: Simplify right side
    10,637.30x = 86,756,216.21
  5. Step 5: Solve for x
    x = 86,756,216.21/10,637.30
  6. Step 6: Final answer
    x = 8,155.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.