Home / 19,097.10-28,621.35-9,215.10

Finding the Fourth Proportional to 19,097.10, 28,621.35 and 9,215.10

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Solution

The fourth proportional to 19,097.10, 28,621.35 and 9,215.10 is: 13,810.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,097.10 : 28,621.35 = 9,215.10 : x
  2. Step 2: Convert to fraction form
    19,097.10/28,621.35 = 9,215.10/x
  3. Step 3: Cross multiply
    19,097.10x = 28,621.35 × 9,215.10
  4. Step 4: Simplify right side
    19,097.10x = 263,748,602.39
  5. Step 5: Solve for x
    x = 263,748,602.39/19,097.10
  6. Step 6: Final answer
    x = 13,810.92

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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.