Home / 13,495.32-18,623.93-7,527.38

Finding the Fourth Proportional to 13,495.32, 18,623.93 and 7,527.38

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Solution

The fourth proportional to 13,495.32, 18,623.93 and 7,527.38 is: 10,387.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,495.32 : 18,623.93 = 7,527.38 : x
  2. Step 2: Convert to fraction form
    13,495.32/18,623.93 = 7,527.38/x
  3. Step 3: Cross multiply
    13,495.32x = 18,623.93 × 7,527.38
  4. Step 4: Simplify right side
    13,495.32x = 140,189,267.45
  5. Step 5: Solve for x
    x = 140,189,267.45/13,495.32
  6. Step 6: Final answer
    x = 10,387.99

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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.