Home / 23,133.40-34,686.16-11,263.76

Finding the Fourth Proportional to 23,133.40, 34,686.16 and 11,263.76

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Solution

The fourth proportional to 23,133.40, 34,686.16 and 11,263.76 is: 16,888.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,133.40 : 34,686.16 = 11,263.76 : x
  2. Step 2: Convert to fraction form
    23,133.40/34,686.16 = 11,263.76/x
  3. Step 3: Cross multiply
    23,133.40x = 34,686.16 × 11,263.76
  4. Step 4: Simplify right side
    23,133.40x = 390,696,581.56
  5. Step 5: Solve for x
    x = 390,696,581.56/23,133.40
  6. Step 6: Final answer
    x = 16,888.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.