Home / 14,962.02-20,646.72-8,247.62

Finding the Fourth Proportional to 14,962.02, 20,646.72 and 8,247.62

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Solution

The fourth proportional to 14,962.02, 20,646.72 and 8,247.62 is: 11,381.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,962.02 : 20,646.72 = 8,247.62 : x
  2. Step 2: Convert to fraction form
    14,962.02/20,646.72 = 8,247.62/x
  3. Step 3: Cross multiply
    14,962.02x = 20,646.72 × 8,247.62
  4. Step 4: Simplify right side
    14,962.02x = 170,286,300.81
  5. Step 5: Solve for x
    x = 170,286,300.81/14,962.02
  6. Step 6: Final answer
    x = 11,381.24

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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.