Home / 12,545.48-17,313.15-6,880.47

Finding the Fourth Proportional to 12,545.48, 17,313.15 and 6,880.47

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Solution

The fourth proportional to 12,545.48, 17,313.15 and 6,880.47 is: 9,495.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,545.48 : 17,313.15 = 6,880.47 : x
  2. Step 2: Convert to fraction form
    12,545.48/17,313.15 = 6,880.47/x
  3. Step 3: Cross multiply
    12,545.48x = 17,313.15 × 6,880.47
  4. Step 4: Simplify right side
    12,545.48x = 119,122,488.21
  5. Step 5: Solve for x
    x = 119,122,488.21/12,545.48
  6. Step 6: Final answer
    x = 9,495.25

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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.