Home / 14,718.69-20,283.54-9,404.28

Finding the Fourth Proportional to 14,718.69, 20,283.54 and 9,404.28

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Solution

The fourth proportional to 14,718.69, 20,283.54 and 9,404.28 is: 12,959.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,718.69 : 20,283.54 = 9,404.28 : x
  2. Step 2: Convert to fraction form
    14,718.69/20,283.54 = 9,404.28/x
  3. Step 3: Cross multiply
    14,718.69x = 20,283.54 × 9,404.28
  4. Step 4: Simplify right side
    14,718.69x = 190,752,089.55
  5. Step 5: Solve for x
    x = 190,752,089.55/14,718.69
  6. Step 6: Final answer
    x = 12,959.86

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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.