Home / 22,678.08-31,298.04-13,247.52

Finding the Fourth Proportional to 22,678.08, 31,298.04 and 13,247.52

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Solution

The fourth proportional to 22,678.08, 31,298.04 and 13,247.52 is: 18,282.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,678.08 : 31,298.04 = 13,247.52 : x
  2. Step 2: Convert to fraction form
    22,678.08/31,298.04 = 13,247.52/x
  3. Step 3: Cross multiply
    22,678.08x = 31,298.04 × 13,247.52
  4. Step 4: Simplify right side
    22,678.08x = 414,621,410.86
  5. Step 5: Solve for x
    x = 414,621,410.86/22,678.08
  6. Step 6: Final answer
    x = 18,282.92

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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.