Home / 15,378.03-23,014.80-9,835.20

Finding the Fourth Proportional to 15,378.03, 23,014.80 and 9,835.20

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Solution

The fourth proportional to 15,378.03, 23,014.80 and 9,835.20 is: 14,719.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,378.03 : 23,014.80 = 9,835.20 : x
  2. Step 2: Convert to fraction form
    15,378.03/23,014.80 = 9,835.20/x
  3. Step 3: Cross multiply
    15,378.03x = 23,014.80 × 9,835.20
  4. Step 4: Simplify right side
    15,378.03x = 226,355,160.96
  5. Step 5: Solve for x
    x = 226,355,160.96/15,378.03
  6. Step 6: Final answer
    x = 14,719.39

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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.