Home / 15,709.44-23,569.56-7,911.84

Finding the Fourth Proportional to 15,709.44, 23,569.56 and 7,911.84

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Solution

The fourth proportional to 15,709.44, 23,569.56 and 7,911.84 is: 11,870.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,709.44 : 23,569.56 = 7,911.84 : x
  2. Step 2: Convert to fraction form
    15,709.44/23,569.56 = 7,911.84/x
  3. Step 3: Cross multiply
    15,709.44x = 23,569.56 × 7,911.84
  4. Step 4: Simplify right side
    15,709.44x = 186,478,587.59
  5. Step 5: Solve for x
    x = 186,478,587.59/15,709.44
  6. Step 6: Final answer
    x = 11,870.48

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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.