Home / 10,346.95-15,403.39-10,285.44

Finding the Fourth Proportional to 10,346.95, 15,403.39 and 10,285.44

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Solution

The fourth proportional to 10,346.95, 15,403.39 and 10,285.44 is: 15,311.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,346.95 : 15,403.39 = 10,285.44 : x
  2. Step 2: Convert to fraction form
    10,346.95/15,403.39 = 10,285.44/x
  3. Step 3: Cross multiply
    10,346.95x = 15,403.39 × 10,285.44
  4. Step 4: Simplify right side
    10,346.95x = 158,430,643.64
  5. Step 5: Solve for x
    x = 158,430,643.64/10,346.95
  6. Step 6: Final answer
    x = 15,311.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.