Home / 15,054.02-20,784.69-9,397.38

Finding the Fourth Proportional to 15,054.02, 20,784.69 and 9,397.38

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Solution

The fourth proportional to 15,054.02, 20,784.69 and 9,397.38 is: 12,974.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,054.02 : 20,784.69 = 9,397.38 : x
  2. Step 2: Convert to fraction form
    15,054.02/20,784.69 = 9,397.38/x
  3. Step 3: Cross multiply
    15,054.02x = 20,784.69 × 9,397.38
  4. Step 4: Simplify right side
    15,054.02x = 195,321,630.11
  5. Step 5: Solve for x
    x = 195,321,630.11/15,054.02
  6. Step 6: Final answer
    x = 12,974.72

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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.