Home / 10,253.19-14,150.07-7,730.85

Finding the Fourth Proportional to 10,253.19, 14,150.07 and 7,730.85

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Solution

The fourth proportional to 10,253.19, 14,150.07 and 7,730.85 is: 10,669.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,253.19 : 14,150.07 = 7,730.85 : x
  2. Step 2: Convert to fraction form
    10,253.19/14,150.07 = 7,730.85/x
  3. Step 3: Cross multiply
    10,253.19x = 14,150.07 × 7,730.85
  4. Step 4: Simplify right side
    10,253.19x = 109,392,068.66
  5. Step 5: Solve for x
    x = 109,392,068.66/10,253.19
  6. Step 6: Final answer
    x = 10,669.08

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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.