Home / 10,502.08-15,752.64-3,106.72

Finding the Fourth Proportional to 10,502.08, 15,752.64 and 3,106.72

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Solution

The fourth proportional to 10,502.08, 15,752.64 and 3,106.72 is: 4,659.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,502.08 : 15,752.64 = 3,106.72 : x
  2. Step 2: Convert to fraction form
    10,502.08/15,752.64 = 3,106.72/x
  3. Step 3: Cross multiply
    10,502.08x = 15,752.64 × 3,106.72
  4. Step 4: Simplify right side
    10,502.08x = 48,939,041.74
  5. Step 5: Solve for x
    x = 48,939,041.74/10,502.08
  6. Step 6: Final answer
    x = 4,659.94

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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.