Home / 9,329.04-12,870.96-6,339.72

Finding the Fourth Proportional to 9,329.04, 12,870.96 and 6,339.72

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Solution

The fourth proportional to 9,329.04, 12,870.96 and 6,339.72 is: 8,746.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,329.04 : 12,870.96 = 6,339.72 : x
  2. Step 2: Convert to fraction form
    9,329.04/12,870.96 = 6,339.72/x
  3. Step 3: Cross multiply
    9,329.04x = 12,870.96 × 6,339.72
  4. Step 4: Simplify right side
    9,329.04x = 81,598,282.53
  5. Step 5: Solve for x
    x = 81,598,282.53/9,329.04
  6. Step 6: Final answer
    x = 8,746.70

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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.