Home / 8,933.24-12,325.36-7,038.95

Finding the Fourth Proportional to 8,933.24, 12,325.36 and 7,038.95

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Solution

The fourth proportional to 8,933.24, 12,325.36 and 7,038.95 is: 9,711.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,933.24 : 12,325.36 = 7,038.95 : x
  2. Step 2: Convert to fraction form
    8,933.24/12,325.36 = 7,038.95/x
  3. Step 3: Cross multiply
    8,933.24x = 12,325.36 × 7,038.95
  4. Step 4: Simplify right side
    8,933.24x = 86,757,592.77
  5. Step 5: Solve for x
    x = 86,757,592.77/8,933.24
  6. Step 6: Final answer
    x = 9,711.77

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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.