Home / 15,763.81-23,639.56-6,881.85

Finding the Fourth Proportional to 15,763.81, 23,639.56 and 6,881.85

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Solution

The fourth proportional to 15,763.81, 23,639.56 and 6,881.85 is: 10,320.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,763.81 : 23,639.56 = 6,881.85 : x
  2. Step 2: Convert to fraction form
    15,763.81/23,639.56 = 6,881.85/x
  3. Step 3: Cross multiply
    15,763.81x = 23,639.56 × 6,881.85
  4. Step 4: Simplify right side
    15,763.81x = 162,683,973.69
  5. Step 5: Solve for x
    x = 162,683,973.69/15,763.81
  6. Step 6: Final answer
    x = 10,320.09

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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.