Home / 11,038.78-15,232.75-6,562.90

Finding the Fourth Proportional to 11,038.78, 15,232.75 and 6,562.90

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Solution

The fourth proportional to 11,038.78, 15,232.75 and 6,562.90 is: 9,056.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,038.78 : 15,232.75 = 6,562.90 : x
  2. Step 2: Convert to fraction form
    11,038.78/15,232.75 = 6,562.90/x
  3. Step 3: Cross multiply
    11,038.78x = 15,232.75 × 6,562.90
  4. Step 4: Simplify right side
    11,038.78x = 99,971,014.98
  5. Step 5: Solve for x
    x = 99,971,014.98/11,038.78
  6. Step 6: Final answer
    x = 9,056.35

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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.