Home / 12,287.48-16,946.29-10,382.63

Finding the Fourth Proportional to 12,287.48, 16,946.29 and 10,382.63

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Solution

The fourth proportional to 12,287.48, 16,946.29 and 10,382.63 is: 14,319.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,287.48 : 16,946.29 = 10,382.63 : x
  2. Step 2: Convert to fraction form
    12,287.48/16,946.29 = 10,382.63/x
  3. Step 3: Cross multiply
    12,287.48x = 16,946.29 × 10,382.63
  4. Step 4: Simplify right side
    12,287.48x = 175,947,058.94
  5. Step 5: Solve for x
    x = 175,947,058.94/12,287.48
  6. Step 6: Final answer
    x = 14,319.21

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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.