Home / 14,526.02-20,042.40-9,218.90

Finding the Fourth Proportional to 14,526.02, 20,042.40 and 9,218.90

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Solution

The fourth proportional to 14,526.02, 20,042.40 and 9,218.90 is: 12,719.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,526.02 : 20,042.40 = 9,218.90 : x
  2. Step 2: Convert to fraction form
    14,526.02/20,042.40 = 9,218.90/x
  3. Step 3: Cross multiply
    14,526.02x = 20,042.40 × 9,218.90
  4. Step 4: Simplify right side
    14,526.02x = 184,768,881.36
  5. Step 5: Solve for x
    x = 184,768,881.36/14,526.02
  6. Step 6: Final answer
    x = 12,719.86

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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.