Home / 13,528.86-18,670.68-7,560.96

Finding the Fourth Proportional to 13,528.86, 18,670.68 and 7,560.96

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Solution

The fourth proportional to 13,528.86, 18,670.68 and 7,560.96 is: 10,434.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,528.86 : 18,670.68 = 7,560.96 : x
  2. Step 2: Convert to fraction form
    13,528.86/18,670.68 = 7,560.96/x
  3. Step 3: Cross multiply
    13,528.86x = 18,670.68 × 7,560.96
  4. Step 4: Simplify right side
    13,528.86x = 141,168,264.65
  5. Step 5: Solve for x
    x = 141,168,264.65/13,528.86
  6. Step 6: Final answer
    x = 10,434.60

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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.