Home / 10,639.81-14,680.49-6,100.39

Finding the Fourth Proportional to 10,639.81, 14,680.49 and 6,100.39

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Solution

The fourth proportional to 10,639.81, 14,680.49 and 6,100.39 is: 8,417.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,639.81 : 14,680.49 = 6,100.39 : x
  2. Step 2: Convert to fraction form
    10,639.81/14,680.49 = 6,100.39/x
  3. Step 3: Cross multiply
    10,639.81x = 14,680.49 × 6,100.39
  4. Step 4: Simplify right side
    10,639.81x = 89,556,714.39
  5. Step 5: Solve for x
    x = 89,556,714.39/10,639.81
  6. Step 6: Final answer
    x = 8,417.13

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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.