Home / 18,695.07-28,036.54-6,211.74

Finding the Fourth Proportional to 18,695.07, 28,036.54 and 6,211.74

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Solution

The fourth proportional to 18,695.07, 28,036.54 and 6,211.74 is: 9,315.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,695.07 : 28,036.54 = 6,211.74 : x
  2. Step 2: Convert to fraction form
    18,695.07/28,036.54 = 6,211.74/x
  3. Step 3: Cross multiply
    18,695.07x = 28,036.54 × 6,211.74
  4. Step 4: Simplify right side
    18,695.07x = 174,155,734.02
  5. Step 5: Solve for x
    x = 174,155,734.02/18,695.07
  6. Step 6: Final answer
    x = 9,315.60

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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.