Home / 10,256.36-14,150.54-5,779.40

Finding the Fourth Proportional to 10,256.36, 14,150.54 and 5,779.40

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Solution

The fourth proportional to 10,256.36, 14,150.54 and 5,779.40 is: 7,973.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,256.36 : 14,150.54 = 5,779.40 : x
  2. Step 2: Convert to fraction form
    10,256.36/14,150.54 = 5,779.40/x
  3. Step 3: Cross multiply
    10,256.36x = 14,150.54 × 5,779.40
  4. Step 4: Simplify right side
    10,256.36x = 81,781,630.88
  5. Step 5: Solve for x
    x = 81,781,630.88/10,256.36
  6. Step 6: Final answer
    x = 7,973.75

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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.