Home / 10,603.05-15,901.88-4,364.78

Finding the Fourth Proportional to 10,603.05, 15,901.88 and 4,364.78

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Solution

The fourth proportional to 10,603.05, 15,901.88 and 4,364.78 is: 6,546.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,603.05 : 15,901.88 = 4,364.78 : x
  2. Step 2: Convert to fraction form
    10,603.05/15,901.88 = 4,364.78/x
  3. Step 3: Cross multiply
    10,603.05x = 15,901.88 × 4,364.78
  4. Step 4: Simplify right side
    10,603.05x = 69,408,106.45
  5. Step 5: Solve for x
    x = 69,408,106.45/10,603.05
  6. Step 6: Final answer
    x = 6,546.05

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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.