Home / 14,032.40-21,041.22-4,170.20

Finding the Fourth Proportional to 14,032.40, 21,041.22 and 4,170.20

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Solution

The fourth proportional to 14,032.40, 21,041.22 and 4,170.20 is: 6,253.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,032.40 : 21,041.22 = 4,170.20 : x
  2. Step 2: Convert to fraction form
    14,032.40/21,041.22 = 4,170.20/x
  3. Step 3: Cross multiply
    14,032.40x = 21,041.22 × 4,170.20
  4. Step 4: Simplify right side
    14,032.40x = 87,746,095.64
  5. Step 5: Solve for x
    x = 87,746,095.64/14,032.40
  6. Step 6: Final answer
    x = 6,253.11

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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.