Home / 15,868.18-23,802.45-5,477.50

Finding the Fourth Proportional to 15,868.18, 23,802.45 and 5,477.50

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Solution

The fourth proportional to 15,868.18, 23,802.45 and 5,477.50 is: 8,216.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,868.18 : 23,802.45 = 5,477.50 : x
  2. Step 2: Convert to fraction form
    15,868.18/23,802.45 = 5,477.50/x
  3. Step 3: Cross multiply
    15,868.18x = 23,802.45 × 5,477.50
  4. Step 4: Simplify right side
    15,868.18x = 130,377,919.88
  5. Step 5: Solve for x
    x = 130,377,919.88/15,868.18
  6. Step 6: Final answer
    x = 8,216.31

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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.