Home / 14,050.32-21,077.10-5,168.40

Finding the Fourth Proportional to 14,050.32, 21,077.10 and 5,168.40

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Solution

The fourth proportional to 14,050.32, 21,077.10 and 5,168.40 is: 7,753.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,050.32 : 21,077.10 = 5,168.40 : x
  2. Step 2: Convert to fraction form
    14,050.32/21,077.10 = 5,168.40/x
  3. Step 3: Cross multiply
    14,050.32x = 21,077.10 × 5,168.40
  4. Step 4: Simplify right side
    14,050.32x = 108,934,883.64
  5. Step 5: Solve for x
    x = 108,934,883.64/14,050.32
  6. Step 6: Final answer
    x = 7,753.20

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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.