Home / 15,651.90-23,477.40-6,289.02

Finding the Fourth Proportional to 15,651.90, 23,477.40 and 6,289.02

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Solution

The fourth proportional to 15,651.90, 23,477.40 and 6,289.02 is: 9,433.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,651.90 : 23,477.40 = 6,289.02 : x
  2. Step 2: Convert to fraction form
    15,651.90/23,477.40 = 6,289.02/x
  3. Step 3: Cross multiply
    15,651.90x = 23,477.40 × 6,289.02
  4. Step 4: Simplify right side
    15,651.90x = 147,649,838.15
  5. Step 5: Solve for x
    x = 147,649,838.15/15,651.90
  6. Step 6: Final answer
    x = 9,433.35

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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.