Home / 20,746.02-31,089.86-9,034.68

Finding the Fourth Proportional to 20,746.02, 31,089.86 and 9,034.68

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Solution

The fourth proportional to 20,746.02, 31,089.86 and 9,034.68 is: 13,539.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,746.02 : 31,089.86 = 9,034.68 : x
  2. Step 2: Convert to fraction form
    20,746.02/31,089.86 = 9,034.68/x
  3. Step 3: Cross multiply
    20,746.02x = 31,089.86 × 9,034.68
  4. Step 4: Simplify right side
    20,746.02x = 280,886,936.34
  5. Step 5: Solve for x
    x = 280,886,936.34/20,746.02
  6. Step 6: Final answer
    x = 13,539.32

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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.