Home / 12,518.49-17,275.43-6,853.13

Finding the Fourth Proportional to 12,518.49, 17,275.43 and 6,853.13

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Solution

The fourth proportional to 12,518.49, 17,275.43 and 6,853.13 is: 9,457.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,518.49 : 17,275.43 = 6,853.13 : x
  2. Step 2: Convert to fraction form
    12,518.49/17,275.43 = 6,853.13/x
  3. Step 3: Cross multiply
    12,518.49x = 17,275.43 × 6,853.13
  4. Step 4: Simplify right side
    12,518.49x = 118,390,698.35
  5. Step 5: Solve for x
    x = 118,390,698.35/12,518.49
  6. Step 6: Final answer
    x = 9,457.27

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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.