Home / 10,457.19-15,686.60-4,612.77

Finding the Fourth Proportional to 10,457.19, 15,686.60 and 4,612.77

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Solution

The fourth proportional to 10,457.19, 15,686.60 and 4,612.77 is: 6,919.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,457.19 : 15,686.60 = 4,612.77 : x
  2. Step 2: Convert to fraction form
    10,457.19/15,686.60 = 4,612.77/x
  3. Step 3: Cross multiply
    10,457.19x = 15,686.60 × 4,612.77
  4. Step 4: Simplify right side
    10,457.19x = 72,358,654.82
  5. Step 5: Solve for x
    x = 72,358,654.82/10,457.19
  6. Step 6: Final answer
    x = 6,919.51

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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.