Home / 14,527.02-20,043.78-9,219.90

Finding the Fourth Proportional to 14,527.02, 20,043.78 and 9,219.90

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Solution

The fourth proportional to 14,527.02, 20,043.78 and 9,219.90 is: 12,721.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,527.02 : 20,043.78 = 9,219.90 : x
  2. Step 2: Convert to fraction form
    14,527.02/20,043.78 = 9,219.90/x
  3. Step 3: Cross multiply
    14,527.02x = 20,043.78 × 9,219.90
  4. Step 4: Simplify right side
    14,527.02x = 184,801,647.22
  5. Step 5: Solve for x
    x = 184,801,647.22/14,527.02
  6. Step 6: Final answer
    x = 12,721.24

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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.