Home / 18,354.47-25,328.63-10,397.39

Finding the Fourth Proportional to 18,354.47, 25,328.63 and 10,397.39

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Solution

The fourth proportional to 18,354.47, 25,328.63 and 10,397.39 is: 14,348.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,354.47 : 25,328.63 = 10,397.39 : x
  2. Step 2: Convert to fraction form
    18,354.47/25,328.63 = 10,397.39/x
  3. Step 3: Cross multiply
    18,354.47x = 25,328.63 × 10,397.39
  4. Step 4: Simplify right side
    18,354.47x = 263,351,543.63
  5. Step 5: Solve for x
    x = 263,351,543.63/18,354.47
  6. Step 6: Final answer
    x = 14,348.09

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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.