Home / 10,386.85-14,333.85-5,671.13

Finding the Fourth Proportional to 10,386.85, 14,333.85 and 5,671.13

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Solution

The fourth proportional to 10,386.85, 14,333.85 and 5,671.13 is: 7,826.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,386.85 : 14,333.85 = 5,671.13 : x
  2. Step 2: Convert to fraction form
    10,386.85/14,333.85 = 5,671.13/x
  3. Step 3: Cross multiply
    10,386.85x = 14,333.85 × 5,671.13
  4. Step 4: Simplify right side
    10,386.85x = 81,289,148.41
  5. Step 5: Solve for x
    x = 81,289,148.41/10,386.85
  6. Step 6: Final answer
    x = 7,826.16

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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.