Home / 13,940.07-19,237.80-7,652.45

Finding the Fourth Proportional to 13,940.07, 19,237.80 and 7,652.45

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Solution

The fourth proportional to 13,940.07, 19,237.80 and 7,652.45 is: 10,560.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,940.07 : 19,237.80 = 7,652.45 : x
  2. Step 2: Convert to fraction form
    13,940.07/19,237.80 = 7,652.45/x
  3. Step 3: Cross multiply
    13,940.07x = 19,237.80 × 7,652.45
  4. Step 4: Simplify right side
    13,940.07x = 147,216,206.42
  5. Step 5: Solve for x
    x = 147,216,206.42/13,940.07
  6. Step 6: Final answer
    x = 10,560.65

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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.