Home / 13,097.18-19,646.58-6,516.74

Finding the Fourth Proportional to 13,097.18, 19,646.58 and 6,516.74

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Solution

The fourth proportional to 13,097.18, 19,646.58 and 6,516.74 is: 9,775.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,097.18 : 19,646.58 = 6,516.74 : x
  2. Step 2: Convert to fraction form
    13,097.18/19,646.58 = 6,516.74/x
  3. Step 3: Cross multiply
    13,097.18x = 19,646.58 × 6,516.74
  4. Step 4: Simplify right side
    13,097.18x = 128,031,555.52
  5. Step 5: Solve for x
    x = 128,031,555.52/13,097.18
  6. Step 6: Final answer
    x = 9,775.51

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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.