Home / 10,219.80-14,096.28-9,876.96

Finding the Fourth Proportional to 10,219.80, 14,096.28 and 9,876.96

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Solution

The fourth proportional to 10,219.80, 14,096.28 and 9,876.96 is: 13,623.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,219.80 : 14,096.28 = 9,876.96 : x
  2. Step 2: Convert to fraction form
    10,219.80/14,096.28 = 9,876.96/x
  3. Step 3: Cross multiply
    10,219.80x = 14,096.28 × 9,876.96
  4. Step 4: Simplify right side
    10,219.80x = 139,228,393.71
  5. Step 5: Solve for x
    x = 139,228,393.71/10,219.80
  6. Step 6: Final answer
    x = 13,623.40

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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.