Home / 10,501.77-15,747.20-4,953.63

Finding the Fourth Proportional to 10,501.77, 15,747.20 and 4,953.63

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Solution

The fourth proportional to 10,501.77, 15,747.20 and 4,953.63 is: 7,427.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,501.77 : 15,747.20 = 4,953.63 : x
  2. Step 2: Convert to fraction form
    10,501.77/15,747.20 = 4,953.63/x
  3. Step 3: Cross multiply
    10,501.77x = 15,747.20 × 4,953.63
  4. Step 4: Simplify right side
    10,501.77x = 78,005,777.57
  5. Step 5: Solve for x
    x = 78,005,777.57/10,501.77
  6. Step 6: Final answer
    x = 7,427.87

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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.