Home / 15,866.48-23,875.97-13,075.43

Finding the Fourth Proportional to 15,866.48, 23,875.97 and 13,075.43

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Solution

The fourth proportional to 15,866.48, 23,875.97 and 13,075.43 is: 19,675.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,866.48 : 23,875.97 = 13,075.43 : x
  2. Step 2: Convert to fraction form
    15,866.48/23,875.97 = 13,075.43/x
  3. Step 3: Cross multiply
    15,866.48x = 23,875.97 × 13,075.43
  4. Step 4: Simplify right side
    15,866.48x = 312,188,389.66
  5. Step 5: Solve for x
    x = 312,188,389.66/15,866.48
  6. Step 6: Final answer
    x = 19,675.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.