Home / 14,140.65-21,203.19-6,746.70

Finding the Fourth Proportional to 14,140.65, 21,203.19 and 6,746.70

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Solution

The fourth proportional to 14,140.65, 21,203.19 and 6,746.70 is: 10,116.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,140.65 : 21,203.19 = 6,746.70 : x
  2. Step 2: Convert to fraction form
    14,140.65/21,203.19 = 6,746.70/x
  3. Step 3: Cross multiply
    14,140.65x = 21,203.19 × 6,746.70
  4. Step 4: Simplify right side
    14,140.65x = 143,051,561.97
  5. Step 5: Solve for x
    x = 143,051,561.97/14,140.65
  6. Step 6: Final answer
    x = 10,116.34

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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.