Home / 15,426.06-21,287.98-8,352.50

Finding the Fourth Proportional to 15,426.06, 21,287.98 and 8,352.50

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Solution

The fourth proportional to 15,426.06, 21,287.98 and 8,352.50 is: 11,526.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,426.06 : 21,287.98 = 8,352.50 : x
  2. Step 2: Convert to fraction form
    15,426.06/21,287.98 = 8,352.50/x
  3. Step 3: Cross multiply
    15,426.06x = 21,287.98 × 8,352.50
  4. Step 4: Simplify right side
    15,426.06x = 177,807,852.95
  5. Step 5: Solve for x
    x = 177,807,852.95/15,426.06
  6. Step 6: Final answer
    x = 11,526.46

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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.