Home / 13,365.98-20,029.80-7,510.28

Finding the Fourth Proportional to 13,365.98, 20,029.80 and 7,510.28

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Solution

The fourth proportional to 13,365.98, 20,029.80 and 7,510.28 is: 11,254.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,365.98 : 20,029.80 = 7,510.28 : x
  2. Step 2: Convert to fraction form
    13,365.98/20,029.80 = 7,510.28/x
  3. Step 3: Cross multiply
    13,365.98x = 20,029.80 × 7,510.28
  4. Step 4: Simplify right side
    13,365.98x = 150,429,406.34
  5. Step 5: Solve for x
    x = 150,429,406.34/13,365.98
  6. Step 6: Final answer
    x = 11,254.65

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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.