Home / 10,637.32-15,931.24-10,268.20

Finding the Fourth Proportional to 10,637.32, 15,931.24 and 10,268.20

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Solution

The fourth proportional to 10,637.32, 15,931.24 and 10,268.20 is: 15,378.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,637.32 : 15,931.24 = 10,268.20 : x
  2. Step 2: Convert to fraction form
    10,637.32/15,931.24 = 10,268.20/x
  3. Step 3: Cross multiply
    10,637.32x = 15,931.24 × 10,268.20
  4. Step 4: Simplify right side
    10,637.32x = 163,585,158.57
  5. Step 5: Solve for x
    x = 163,585,158.57/10,637.32
  6. Step 6: Final answer
    x = 15,378.42

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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.