Home / 14,187.87-21,281.76-14,167.35

Finding the Fourth Proportional to 14,187.87, 21,281.76 and 14,167.35

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Solution

The fourth proportional to 14,187.87, 21,281.76 and 14,167.35 is: 21,250.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,187.87 : 21,281.76 = 14,167.35 : x
  2. Step 2: Convert to fraction form
    14,187.87/21,281.76 = 14,167.35/x
  3. Step 3: Cross multiply
    14,187.87x = 21,281.76 × 14,167.35
  4. Step 4: Simplify right side
    14,187.87x = 301,506,142.54
  5. Step 5: Solve for x
    x = 301,506,142.54/14,187.87
  6. Step 6: Final answer
    x = 21,250.98

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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.