Home / 14,065.40-21,099.18-4,203.92

Finding the Fourth Proportional to 14,065.40, 21,099.18 and 4,203.92

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Solution

The fourth proportional to 14,065.40, 21,099.18 and 4,203.92 is: 6,306.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,065.40 : 21,099.18 = 4,203.92 : x
  2. Step 2: Convert to fraction form
    14,065.40/21,099.18 = 4,203.92/x
  3. Step 3: Cross multiply
    14,065.40x = 21,099.18 × 4,203.92
  4. Step 4: Simplify right side
    14,065.40x = 88,699,264.79
  5. Step 5: Solve for x
    x = 88,699,264.79/14,065.40
  6. Step 6: Final answer
    x = 6,306.20

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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.