Home / 13,042.42-19,559.53-4,275.28

Finding the Fourth Proportional to 13,042.42, 19,559.53 and 4,275.28

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Solution

The fourth proportional to 13,042.42, 19,559.53 and 4,275.28 is: 6,411.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,042.42 : 19,559.53 = 4,275.28 : x
  2. Step 2: Convert to fraction form
    13,042.42/19,559.53 = 4,275.28/x
  3. Step 3: Cross multiply
    13,042.42x = 19,559.53 × 4,275.28
  4. Step 4: Simplify right side
    13,042.42x = 83,622,473.16
  5. Step 5: Solve for x
    x = 83,622,473.16/13,042.42
  6. Step 6: Final answer
    x = 6,411.58

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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.