Home / 14,154.80-21,242.28-6,370.16

Finding the Fourth Proportional to 14,154.80, 21,242.28 and 6,370.16

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Solution

The fourth proportional to 14,154.80, 21,242.28 and 6,370.16 is: 9,559.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,154.80 : 21,242.28 = 6,370.16 : x
  2. Step 2: Convert to fraction form
    14,154.80/21,242.28 = 6,370.16/x
  3. Step 3: Cross multiply
    14,154.80x = 21,242.28 × 6,370.16
  4. Step 4: Simplify right side
    14,154.80x = 135,316,722.36
  5. Step 5: Solve for x
    x = 135,316,722.36/14,154.80
  6. Step 6: Final answer
    x = 9,559.78

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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.