Home / 14,856.40-22,279.20-7,458.40

Finding the Fourth Proportional to 14,856.40, 22,279.20 and 7,458.40

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Solution

The fourth proportional to 14,856.40, 22,279.20 and 7,458.40 is: 11,184.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,856.40 : 22,279.20 = 7,458.40 : x
  2. Step 2: Convert to fraction form
    14,856.40/22,279.20 = 7,458.40/x
  3. Step 3: Cross multiply
    14,856.40x = 22,279.20 × 7,458.40
  4. Step 4: Simplify right side
    14,856.40x = 166,167,185.28
  5. Step 5: Solve for x
    x = 166,167,185.28/14,856.40
  6. Step 6: Final answer
    x = 11,184.89

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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.