Home / 13,235.95-18,265.90-7,268.01

Finding the Fourth Proportional to 13,235.95, 18,265.90 and 7,268.01

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Solution

The fourth proportional to 13,235.95, 18,265.90 and 7,268.01 is: 10,030.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,235.95 : 18,265.90 = 7,268.01 : x
  2. Step 2: Convert to fraction form
    13,235.95/18,265.90 = 7,268.01/x
  3. Step 3: Cross multiply
    13,235.95x = 18,265.90 × 7,268.01
  4. Step 4: Simplify right side
    13,235.95x = 132,756,652.53
  5. Step 5: Solve for x
    x = 132,756,652.53/13,235.95
  6. Step 6: Final answer
    x = 10,030.01

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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.