Home / 9,448.80-13,038.72-5,256.96

Finding the Fourth Proportional to 9,448.80, 13,038.72 and 5,256.96

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Solution

The fourth proportional to 9,448.80, 13,038.72 and 5,256.96 is: 7,254.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,448.80 : 13,038.72 = 5,256.96 : x
  2. Step 2: Convert to fraction form
    9,448.80/13,038.72 = 5,256.96/x
  3. Step 3: Cross multiply
    9,448.80x = 13,038.72 × 5,256.96
  4. Step 4: Simplify right side
    9,448.80x = 68,544,029.49
  5. Step 5: Solve for x
    x = 68,544,029.49/9,448.80
  6. Step 6: Final answer
    x = 7,254.26

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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.