Home / 10,328.45-14,253.08-5,612.76

Finding the Fourth Proportional to 10,328.45, 14,253.08 and 5,612.76

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Solution

The fourth proportional to 10,328.45, 14,253.08 and 5,612.76 is: 7,745.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,328.45 : 14,253.08 = 5,612.76 : x
  2. Step 2: Convert to fraction form
    10,328.45/14,253.08 = 5,612.76/x
  3. Step 3: Cross multiply
    10,328.45x = 14,253.08 × 5,612.76
  4. Step 4: Simplify right side
    10,328.45x = 79,999,089.24
  5. Step 5: Solve for x
    x = 79,999,089.24/10,328.45
  6. Step 6: Final answer
    x = 7,745.51

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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.