Home / 10,455.97-15,688.34-6,510.53

Finding the Fourth Proportional to 10,455.97, 15,688.34 and 6,510.53

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Solution

The fourth proportional to 10,455.97, 15,688.34 and 6,510.53 is: 9,768.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,455.97 : 15,688.34 = 6,510.53 : x
  2. Step 2: Convert to fraction form
    10,455.97/15,688.34 = 6,510.53/x
  3. Step 3: Cross multiply
    10,455.97x = 15,688.34 × 6,510.53
  4. Step 4: Simplify right side
    10,455.97x = 102,139,408.22
  5. Step 5: Solve for x
    x = 102,139,408.22/10,455.97
  6. Step 6: Final answer
    x = 9,768.53

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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.