Home / 22,448.64-30,985.92-13,019.52

Finding the Fourth Proportional to 22,448.64, 30,985.92 and 13,019.52

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Solution

The fourth proportional to 22,448.64, 30,985.92 and 13,019.52 is: 17,970.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,448.64 : 30,985.92 = 13,019.52 : x
  2. Step 2: Convert to fraction form
    22,448.64/30,985.92 = 13,019.52/x
  3. Step 3: Cross multiply
    22,448.64x = 30,985.92 × 13,019.52
  4. Step 4: Simplify right side
    22,448.64x = 403,421,805.16
  5. Step 5: Solve for x
    x = 403,421,805.16/22,448.64
  6. Step 6: Final answer
    x = 17,970.88

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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.