Home / 10,585.62-14,601.54-6,813.70

Finding the Fourth Proportional to 10,585.62, 14,601.54 and 6,813.70

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Solution

The fourth proportional to 10,585.62, 14,601.54 and 6,813.70 is: 9,398.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,585.62 : 14,601.54 = 6,813.70 : x
  2. Step 2: Convert to fraction form
    10,585.62/14,601.54 = 6,813.70/x
  3. Step 3: Cross multiply
    10,585.62x = 14,601.54 × 6,813.70
  4. Step 4: Simplify right side
    10,585.62x = 99,490,513.10
  5. Step 5: Solve for x
    x = 99,490,513.10/10,585.62
  6. Step 6: Final answer
    x = 9,398.65

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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.