Home / 15,603.40-23,414.98-11,378.76

Finding the Fourth Proportional to 15,603.40, 23,414.98 and 11,378.76

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Solution

The fourth proportional to 15,603.40, 23,414.98 and 11,378.76 is: 17,075.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,603.40 : 23,414.98 = 11,378.76 : x
  2. Step 2: Convert to fraction form
    15,603.40/23,414.98 = 11,378.76/x
  3. Step 3: Cross multiply
    15,603.40x = 23,414.98 × 11,378.76
  4. Step 4: Simplify right side
    15,603.40x = 266,433,437.82
  5. Step 5: Solve for x
    x = 266,433,437.82/15,603.40
  6. Step 6: Final answer
    x = 17,075.34

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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.