Home / 43,293.08-64,942.06-12,130.76

Finding the Fourth Proportional to 43,293.08, 64,942.06 and 12,130.76

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Solution

The fourth proportional to 43,293.08, 64,942.06 and 12,130.76 is: 18,196.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,293.08 : 64,942.06 = 12,130.76 : x
  2. Step 2: Convert to fraction form
    43,293.08/64,942.06 = 12,130.76/x
  3. Step 3: Cross multiply
    43,293.08x = 64,942.06 × 12,130.76
  4. Step 4: Simplify right side
    43,293.08x = 787,796,543.77
  5. Step 5: Solve for x
    x = 787,796,543.77/43,293.08
  6. Step 6: Final answer
    x = 18,196.82

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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.