Home / 13,089.03-19,610.65-8,915.50

Finding the Fourth Proportional to 13,089.03, 19,610.65 and 8,915.50

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Solution

The fourth proportional to 13,089.03, 19,610.65 and 8,915.50 is: 13,357.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,089.03 : 19,610.65 = 8,915.50 : x
  2. Step 2: Convert to fraction form
    13,089.03/19,610.65 = 8,915.50/x
  3. Step 3: Cross multiply
    13,089.03x = 19,610.65 × 8,915.50
  4. Step 4: Simplify right side
    13,089.03x = 174,838,750.08
  5. Step 5: Solve for x
    x = 174,838,750.08/13,089.03
  6. Step 6: Final answer
    x = 13,357.66

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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.