Home / 14,265.26-19,686.09-7,977.63

Finding the Fourth Proportional to 14,265.26, 19,686.09 and 7,977.63

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Solution

The fourth proportional to 14,265.26, 19,686.09 and 7,977.63 is: 11,009.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,265.26 : 19,686.09 = 7,977.63 : x
  2. Step 2: Convert to fraction form
    14,265.26/19,686.09 = 7,977.63/x
  3. Step 3: Cross multiply
    14,265.26x = 19,686.09 × 7,977.63
  4. Step 4: Simplify right side
    14,265.26x = 157,048,342.17
  5. Step 5: Solve for x
    x = 157,048,342.17/14,265.26
  6. Step 6: Final answer
    x = 11,009.15

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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.