Home / 10,256.28-14,154.48-5,779.74

Finding the Fourth Proportional to 10,256.28, 14,154.48 and 5,779.74

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Solution

The fourth proportional to 10,256.28, 14,154.48 and 5,779.74 is: 7,976.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,256.28 : 14,154.48 = 5,779.74 : x
  2. Step 2: Convert to fraction form
    10,256.28/14,154.48 = 5,779.74/x
  3. Step 3: Cross multiply
    10,256.28x = 14,154.48 × 5,779.74
  4. Step 4: Simplify right side
    10,256.28x = 81,809,214.24
  5. Step 5: Solve for x
    x = 81,809,214.24/10,256.28
  6. Step 6: Final answer
    x = 7,976.50

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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.