Home / 9,319.72-12,875.34-6,957.76

Finding the Fourth Proportional to 9,319.72, 12,875.34 and 6,957.76

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Solution

The fourth proportional to 9,319.72, 12,875.34 and 6,957.76 is: 9,612.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,319.72 : 12,875.34 = 6,957.76 : x
  2. Step 2: Convert to fraction form
    9,319.72/12,875.34 = 6,957.76/x
  3. Step 3: Cross multiply
    9,319.72x = 12,875.34 × 6,957.76
  4. Step 4: Simplify right side
    9,319.72x = 89,583,525.64
  5. Step 5: Solve for x
    x = 89,583,525.64/9,319.72
  6. Step 6: Final answer
    x = 9,612.26

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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.