Home / 15,511.74-23,254.45-7,075.21

Finding the Fourth Proportional to 15,511.74, 23,254.45 and 7,075.21

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Solution

The fourth proportional to 15,511.74, 23,254.45 and 7,075.21 is: 10,606.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,511.74 : 23,254.45 = 7,075.21 : x
  2. Step 2: Convert to fraction form
    15,511.74/23,254.45 = 7,075.21/x
  3. Step 3: Cross multiply
    15,511.74x = 23,254.45 × 7,075.21
  4. Step 4: Simplify right side
    15,511.74x = 164,530,117.18
  5. Step 5: Solve for x
    x = 164,530,117.18/15,511.74
  6. Step 6: Final answer
    x = 10,606.81

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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.