Home / 15,795.32-21,800.95-10,771.53

Finding the Fourth Proportional to 15,795.32, 21,800.95 and 10,771.53

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Solution

The fourth proportional to 15,795.32, 21,800.95 and 10,771.53 is: 14,867.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,795.32 : 21,800.95 = 10,771.53 : x
  2. Step 2: Convert to fraction form
    15,795.32/21,800.95 = 10,771.53/x
  3. Step 3: Cross multiply
    15,795.32x = 21,800.95 × 10,771.53
  4. Step 4: Simplify right side
    15,795.32x = 234,829,478.27
  5. Step 5: Solve for x
    x = 234,829,478.27/15,795.32
  6. Step 6: Final answer
    x = 14,867.03

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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.