Home / 19,180.12-26,470.14-10,683.88

Finding the Fourth Proportional to 19,180.12, 26,470.14 and 10,683.88

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Solution

The fourth proportional to 19,180.12, 26,470.14 and 10,683.88 is: 14,744.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,180.12 : 26,470.14 = 10,683.88 : x
  2. Step 2: Convert to fraction form
    19,180.12/26,470.14 = 10,683.88/x
  3. Step 3: Cross multiply
    19,180.12x = 26,470.14 × 10,683.88
  4. Step 4: Simplify right side
    19,180.12x = 282,803,799.34
  5. Step 5: Solve for x
    x = 282,803,799.34/19,180.12
  6. Step 6: Final answer
    x = 14,744.63

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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.