Home / 9,155.24-12,637.31-6,510.32

Finding the Fourth Proportional to 9,155.24, 12,637.31 and 6,510.32

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Solution

The fourth proportional to 9,155.24, 12,637.31 and 6,510.32 is: 8,986.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,155.24 : 12,637.31 = 6,510.32 : x
  2. Step 2: Convert to fraction form
    9,155.24/12,637.31 = 6,510.32/x
  3. Step 3: Cross multiply
    9,155.24x = 12,637.31 × 6,510.32
  4. Step 4: Simplify right side
    9,155.24x = 82,272,836.30
  5. Step 5: Solve for x
    x = 82,272,836.30/9,155.24
  6. Step 6: Final answer
    x = 8,986.43

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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.