Home / 13,240.53-19,860.84-7,732.35

Finding the Fourth Proportional to 13,240.53, 19,860.84 and 7,732.35

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Solution

The fourth proportional to 13,240.53, 19,860.84 and 7,732.35 is: 11,598.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,240.53 : 19,860.84 = 7,732.35 : x
  2. Step 2: Convert to fraction form
    13,240.53/19,860.84 = 7,732.35/x
  3. Step 3: Cross multiply
    13,240.53x = 19,860.84 × 7,732.35
  4. Step 4: Simplify right side
    13,240.53x = 153,570,966.17
  5. Step 5: Solve for x
    x = 153,570,966.17/13,240.53
  6. Step 6: Final answer
    x = 11,598.55

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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.