Home / 13,280.76-19,909.26-9,762.12

Finding the Fourth Proportional to 13,280.76, 19,909.26 and 9,762.12

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Solution

The fourth proportional to 13,280.76, 19,909.26 and 9,762.12 is: 14,634.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,280.76 : 19,909.26 = 9,762.12 : x
  2. Step 2: Convert to fraction form
    13,280.76/19,909.26 = 9,762.12/x
  3. Step 3: Cross multiply
    13,280.76x = 19,909.26 × 9,762.12
  4. Step 4: Simplify right side
    13,280.76x = 194,356,585.23
  5. Step 5: Solve for x
    x = 194,356,585.23/13,280.76
  6. Step 6: Final answer
    x = 14,634.45

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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.