Home / 11,017.40-15,203.95-5,981.58

Finding the Fourth Proportional to 11,017.40, 15,203.95 and 5,981.58

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Solution

The fourth proportional to 11,017.40, 15,203.95 and 5,981.58 is: 8,254.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,017.40 : 15,203.95 = 5,981.58 : x
  2. Step 2: Convert to fraction form
    11,017.40/15,203.95 = 5,981.58/x
  3. Step 3: Cross multiply
    11,017.40x = 15,203.95 × 5,981.58
  4. Step 4: Simplify right side
    11,017.40x = 90,943,628.29
  5. Step 5: Solve for x
    x = 90,943,628.29/11,017.40
  6. Step 6: Final answer
    x = 8,254.55

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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.