Home / 15,114.72-20,854.40-8,823.52

Finding the Fourth Proportional to 15,114.72, 20,854.40 and 8,823.52

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Solution

The fourth proportional to 15,114.72, 20,854.40 and 8,823.52 is: 12,174.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,114.72 : 20,854.40 = 8,823.52 : x
  2. Step 2: Convert to fraction form
    15,114.72/20,854.40 = 8,823.52/x
  3. Step 3: Cross multiply
    15,114.72x = 20,854.40 × 8,823.52
  4. Step 4: Simplify right side
    15,114.72x = 184,009,215.49
  5. Step 5: Solve for x
    x = 184,009,215.49/15,114.72
  6. Step 6: Final answer
    x = 12,174.17

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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.