Home / 15,130.34-22,651.68-12,637.16

Finding the Fourth Proportional to 15,130.34, 22,651.68 and 12,637.16

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Solution

The fourth proportional to 15,130.34, 22,651.68 and 12,637.16 is: 18,919.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,130.34 : 22,651.68 = 12,637.16 : x
  2. Step 2: Convert to fraction form
    15,130.34/22,651.68 = 12,637.16/x
  3. Step 3: Cross multiply
    15,130.34x = 22,651.68 × 12,637.16
  4. Step 4: Simplify right side
    15,130.34x = 286,252,904.43
  5. Step 5: Solve for x
    x = 286,252,904.43/15,130.34
  6. Step 6: Final answer
    x = 18,919.13

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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.