Home / 15,267.84-21,070.38-9,298.55

Finding the Fourth Proportional to 15,267.84, 21,070.38 and 9,298.55

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Solution

The fourth proportional to 15,267.84, 21,070.38 and 9,298.55 is: 12,832.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,267.84 : 21,070.38 = 9,298.55 : x
  2. Step 2: Convert to fraction form
    15,267.84/21,070.38 = 9,298.55/x
  3. Step 3: Cross multiply
    15,267.84x = 21,070.38 × 9,298.55
  4. Step 4: Simplify right side
    15,267.84x = 195,923,876.60
  5. Step 5: Solve for x
    x = 195,923,876.60/15,267.84
  6. Step 6: Final answer
    x = 12,832.46

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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.