Home / 12,817.95-17,685.93-7,437.26

Finding the Fourth Proportional to 12,817.95, 17,685.93 and 7,437.26

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Solution

The fourth proportional to 12,817.95, 17,685.93 and 7,437.26 is: 10,261.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,817.95 : 17,685.93 = 7,437.26 : x
  2. Step 2: Convert to fraction form
    12,817.95/17,685.93 = 7,437.26/x
  3. Step 3: Cross multiply
    12,817.95x = 17,685.93 × 7,437.26
  4. Step 4: Simplify right side
    12,817.95x = 131,534,903.97
  5. Step 5: Solve for x
    x = 131,534,903.97/12,817.95
  6. Step 6: Final answer
    x = 10,261.77

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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.