Home / 13,474.30-18,594.55-7,810.12

Finding the Fourth Proportional to 13,474.30, 18,594.55 and 7,810.12

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Solution

The fourth proportional to 13,474.30, 18,594.55 and 7,810.12 is: 10,777.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,474.30 : 18,594.55 = 7,810.12 : x
  2. Step 2: Convert to fraction form
    13,474.30/18,594.55 = 7,810.12/x
  3. Step 3: Cross multiply
    13,474.30x = 18,594.55 × 7,810.12
  4. Step 4: Simplify right side
    13,474.30x = 145,225,666.85
  5. Step 5: Solve for x
    x = 145,225,666.85/13,474.30
  6. Step 6: Final answer
    x = 10,777.98

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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.