Home / 10,454.98-15,670.53-4,210.99

Finding the Fourth Proportional to 10,454.98, 15,670.53 and 4,210.99

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Solution

The fourth proportional to 10,454.98, 15,670.53 and 4,210.99 is: 6,311.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,454.98 : 15,670.53 = 4,210.99 : x
  2. Step 2: Convert to fraction form
    10,454.98/15,670.53 = 4,210.99/x
  3. Step 3: Cross multiply
    10,454.98x = 15,670.53 × 4,210.99
  4. Step 4: Simplify right side
    10,454.98x = 65,988,460.92
  5. Step 5: Solve for x
    x = 65,988,460.92/10,454.98
  6. Step 6: Final answer
    x = 6,311.68

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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.