Home / 13,535.18-18,678.96-7,567.10

Finding the Fourth Proportional to 13,535.18, 18,678.96 and 7,567.10

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Solution

The fourth proportional to 13,535.18, 18,678.96 and 7,567.10 is: 10,442.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,535.18 : 18,678.96 = 7,567.10 : x
  2. Step 2: Convert to fraction form
    13,535.18/18,678.96 = 7,567.10/x
  3. Step 3: Cross multiply
    13,535.18x = 18,678.96 × 7,567.10
  4. Step 4: Simplify right side
    13,535.18x = 141,345,558.22
  5. Step 5: Solve for x
    x = 141,345,558.22/13,535.18
  6. Step 6: Final answer
    x = 10,442.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.