Home / 14,357.89-21,521.44-6,952.15

Finding the Fourth Proportional to 14,357.89, 21,521.44 and 6,952.15

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Solution

The fourth proportional to 14,357.89, 21,521.44 and 6,952.15 is: 10,420.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,357.89 : 21,521.44 = 6,952.15 : x
  2. Step 2: Convert to fraction form
    14,357.89/21,521.44 = 6,952.15/x
  3. Step 3: Cross multiply
    14,357.89x = 21,521.44 × 6,952.15
  4. Step 4: Simplify right side
    14,357.89x = 149,620,279.10
  5. Step 5: Solve for x
    x = 149,620,279.10/14,357.89
  6. Step 6: Final answer
    x = 10,420.77

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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.