Home / 10,555.11-14,566.44-5,775.36

Finding the Fourth Proportional to 10,555.11, 14,566.44 and 5,775.36

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Solution

The fourth proportional to 10,555.11, 14,566.44 and 5,775.36 is: 7,970.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,555.11 : 14,566.44 = 5,775.36 : x
  2. Step 2: Convert to fraction form
    10,555.11/14,566.44 = 5,775.36/x
  3. Step 3: Cross multiply
    10,555.11x = 14,566.44 × 5,775.36
  4. Step 4: Simplify right side
    10,555.11x = 84,126,434.92
  5. Step 5: Solve for x
    x = 84,126,434.92/10,555.11
  6. Step 6: Final answer
    x = 7,970.21

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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.