Home / 12,570.08-18,864.16-10,134.32

Finding the Fourth Proportional to 12,570.08, 18,864.16 and 10,134.32

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Solution

The fourth proportional to 12,570.08, 18,864.16 and 10,134.32 is: 15,208.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,570.08 : 18,864.16 = 10,134.32 : x
  2. Step 2: Convert to fraction form
    12,570.08/18,864.16 = 10,134.32/x
  3. Step 3: Cross multiply
    12,570.08x = 18,864.16 × 10,134.32
  4. Step 4: Simplify right side
    12,570.08x = 191,175,433.97
  5. Step 5: Solve for x
    x = 191,175,433.97/12,570.08
  6. Step 6: Final answer
    x = 15,208.77

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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.