Home / 8,946.81-12,345.43-4,967.15

Finding the Fourth Proportional to 8,946.81, 12,345.43 and 4,967.15

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Solution

The fourth proportional to 8,946.81, 12,345.43 and 4,967.15 is: 6,854.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,946.81 : 12,345.43 = 4,967.15 : x
  2. Step 2: Convert to fraction form
    8,946.81/12,345.43 = 4,967.15/x
  3. Step 3: Cross multiply
    8,946.81x = 12,345.43 × 4,967.15
  4. Step 4: Simplify right side
    8,946.81x = 61,321,616.55
  5. Step 5: Solve for x
    x = 61,321,616.55/8,946.81
  6. Step 6: Final answer
    x = 6,854.02

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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.