Home / 15,445.37-23,209.02-8,430.50

Finding the Fourth Proportional to 15,445.37, 23,209.02 and 8,430.50

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Solution

The fourth proportional to 15,445.37, 23,209.02 and 8,430.50 is: 12,668.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,445.37 : 23,209.02 = 8,430.50 : x
  2. Step 2: Convert to fraction form
    15,445.37/23,209.02 = 8,430.50/x
  3. Step 3: Cross multiply
    15,445.37x = 23,209.02 × 8,430.50
  4. Step 4: Simplify right side
    15,445.37x = 195,663,643.11
  5. Step 5: Solve for x
    x = 195,663,643.11/15,445.37
  6. Step 6: Final answer
    x = 12,668.11

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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.