Home / 14,938.22-20,614.85-8,223.88

Finding the Fourth Proportional to 14,938.22, 20,614.85 and 8,223.88

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Solution

The fourth proportional to 14,938.22, 20,614.85 and 8,223.88 is: 11,349.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,938.22 : 20,614.85 = 8,223.88 : x
  2. Step 2: Convert to fraction form
    14,938.22/20,614.85 = 8,223.88/x
  3. Step 3: Cross multiply
    14,938.22x = 20,614.85 × 8,223.88
  4. Step 4: Simplify right side
    14,938.22x = 169,534,075.71
  5. Step 5: Solve for x
    x = 169,534,075.71/14,938.22
  6. Step 6: Final answer
    x = 11,349.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.