Home / 13,965.06-19,271.30-7,677.39

Finding the Fourth Proportional to 13,965.06, 19,271.30 and 7,677.39

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Solution

The fourth proportional to 13,965.06, 19,271.30 and 7,677.39 is: 10,594.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,965.06 : 19,271.30 = 7,677.39 : x
  2. Step 2: Convert to fraction form
    13,965.06/19,271.30 = 7,677.39/x
  3. Step 3: Cross multiply
    13,965.06x = 19,271.30 × 7,677.39
  4. Step 4: Simplify right side
    13,965.06x = 147,953,247.52
  5. Step 5: Solve for x
    x = 147,953,247.52/13,965.06
  6. Step 6: Final answer
    x = 10,594.53

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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.