Home / 18,400.84-25,393.14-10,017.32

Finding the Fourth Proportional to 18,400.84, 25,393.14 and 10,017.32

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Solution

The fourth proportional to 18,400.84, 25,393.14 and 10,017.32 is: 13,823.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,400.84 : 25,393.14 = 10,017.32 : x
  2. Step 2: Convert to fraction form
    18,400.84/25,393.14 = 10,017.32/x
  3. Step 3: Cross multiply
    18,400.84x = 25,393.14 × 10,017.32
  4. Step 4: Simplify right side
    18,400.84x = 254,371,209.18
  5. Step 5: Solve for x
    x = 254,371,209.18/18,400.84
  6. Step 6: Final answer
    x = 13,823.89

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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.