Home / 14,263.43-21,386.03-6,853.15

Finding the Fourth Proportional to 14,263.43, 21,386.03 and 6,853.15

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Solution

The fourth proportional to 14,263.43, 21,386.03 and 6,853.15 is: 10,275.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,263.43 : 21,386.03 = 6,853.15 : x
  2. Step 2: Convert to fraction form
    14,263.43/21,386.03 = 6,853.15/x
  3. Step 3: Cross multiply
    14,263.43x = 21,386.03 × 6,853.15
  4. Step 4: Simplify right side
    14,263.43x = 146,561,671.49
  5. Step 5: Solve for x
    x = 146,561,671.49/14,263.43
  6. Step 6: Final answer
    x = 10,275.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.