Home / 18,837.56-28,256.14-4,606.18

Finding the Fourth Proportional to 18,837.56, 28,256.14 and 4,606.18

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Solution

The fourth proportional to 18,837.56, 28,256.14 and 4,606.18 is: 6,909.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,837.56 : 28,256.14 = 4,606.18 : x
  2. Step 2: Convert to fraction form
    18,837.56/28,256.14 = 4,606.18/x
  3. Step 3: Cross multiply
    18,837.56x = 28,256.14 × 4,606.18
  4. Step 4: Simplify right side
    18,837.56x = 130,152,866.95
  5. Step 5: Solve for x
    x = 130,152,866.95/18,837.56
  6. Step 6: Final answer
    x = 6,909.22

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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.