Home / 14,209.02-21,319.65-7,627.50

Finding the Fourth Proportional to 14,209.02, 21,319.65 and 7,627.50

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Solution

The fourth proportional to 14,209.02, 21,319.65 and 7,627.50 is: 11,444.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,209.02 : 21,319.65 = 7,627.50 : x
  2. Step 2: Convert to fraction form
    14,209.02/21,319.65 = 7,627.50/x
  3. Step 3: Cross multiply
    14,209.02x = 21,319.65 × 7,627.50
  4. Step 4: Simplify right side
    14,209.02x = 162,615,630.38
  5. Step 5: Solve for x
    x = 162,615,630.38/14,209.02
  6. Step 6: Final answer
    x = 11,444.54

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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.