Home / 14,314.72-21,472.80-4,955.20

Finding the Fourth Proportional to 14,314.72, 21,472.80 and 4,955.20

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Solution

The fourth proportional to 14,314.72, 21,472.80 and 4,955.20 is: 7,433.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,314.72 : 21,472.80 = 4,955.20 : x
  2. Step 2: Convert to fraction form
    14,314.72/21,472.80 = 4,955.20/x
  3. Step 3: Cross multiply
    14,314.72x = 21,472.80 × 4,955.20
  4. Step 4: Simplify right side
    14,314.72x = 106,402,018.56
  5. Step 5: Solve for x
    x = 106,402,018.56/14,314.72
  6. Step 6: Final answer
    x = 7,433.05

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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.