Home / 10,124.80-15,163.71-9,774.40

Finding the Fourth Proportional to 10,124.80, 15,163.71 and 9,774.40

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Solution

The fourth proportional to 10,124.80, 15,163.71 and 9,774.40 is: 14,638.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,124.80 : 15,163.71 = 9,774.40 : x
  2. Step 2: Convert to fraction form
    10,124.80/15,163.71 = 9,774.40/x
  3. Step 3: Cross multiply
    10,124.80x = 15,163.71 × 9,774.40
  4. Step 4: Simplify right side
    10,124.80x = 148,216,167.02
  5. Step 5: Solve for x
    x = 148,216,167.02/10,124.80
  6. Step 6: Final answer
    x = 14,638.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.