Home / 10,395.15-14,355.41-8,894.30

Finding the Fourth Proportional to 10,395.15, 14,355.41 and 8,894.30

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Solution

The fourth proportional to 10,395.15, 14,355.41 and 8,894.30 is: 12,282.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,395.15 : 14,355.41 = 8,894.30 : x
  2. Step 2: Convert to fraction form
    10,395.15/14,355.41 = 8,894.30/x
  3. Step 3: Cross multiply
    10,395.15x = 14,355.41 × 8,894.30
  4. Step 4: Simplify right side
    10,395.15x = 127,681,206.91
  5. Step 5: Solve for x
    x = 127,681,206.91/10,395.15
  6. Step 6: Final answer
    x = 12,282.77

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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.