Home / 14,971.40-22,446.30-9,780.20

Finding the Fourth Proportional to 14,971.40, 22,446.30 and 9,780.20

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Solution

The fourth proportional to 14,971.40, 22,446.30 and 9,780.20 is: 14,663.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,971.40 : 22,446.30 = 9,780.20 : x
  2. Step 2: Convert to fraction form
    14,971.40/22,446.30 = 9,780.20/x
  3. Step 3: Cross multiply
    14,971.40x = 22,446.30 × 9,780.20
  4. Step 4: Simplify right side
    14,971.40x = 219,529,303.26
  5. Step 5: Solve for x
    x = 219,529,303.26/14,971.40
  6. Step 6: Final answer
    x = 14,663.24

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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.