Home / 14,397.47-19,860.92-9,913.44

Finding the Fourth Proportional to 14,397.47, 19,860.92 and 9,913.44

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Solution

The fourth proportional to 14,397.47, 19,860.92 and 9,913.44 is: 13,675.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,397.47 : 19,860.92 = 9,913.44 : x
  2. Step 2: Convert to fraction form
    14,397.47/19,860.92 = 9,913.44/x
  3. Step 3: Cross multiply
    14,397.47x = 19,860.92 × 9,913.44
  4. Step 4: Simplify right side
    14,397.47x = 196,890,017.02
  5. Step 5: Solve for x
    x = 196,890,017.02/14,397.47
  6. Step 6: Final answer
    x = 13,675.32

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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.