Home / 15,784.02-23,642.10-7,451.58

Finding the Fourth Proportional to 15,784.02, 23,642.10 and 7,451.58

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Solution

The fourth proportional to 15,784.02, 23,642.10 and 7,451.58 is: 11,161.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,784.02 : 23,642.10 = 7,451.58 : x
  2. Step 2: Convert to fraction form
    15,784.02/23,642.10 = 7,451.58/x
  3. Step 3: Cross multiply
    15,784.02x = 23,642.10 × 7,451.58
  4. Step 4: Simplify right side
    15,784.02x = 176,170,999.52
  5. Step 5: Solve for x
    x = 176,170,999.52/15,784.02
  6. Step 6: Final answer
    x = 11,161.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.