Home / 10,307.15-15,461.56-2,911.67

Finding the Fourth Proportional to 10,307.15, 15,461.56 and 2,911.67

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Solution

The fourth proportional to 10,307.15, 15,461.56 and 2,911.67 is: 4,367.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,307.15 : 15,461.56 = 2,911.67 : x
  2. Step 2: Convert to fraction form
    10,307.15/15,461.56 = 2,911.67/x
  3. Step 3: Cross multiply
    10,307.15x = 15,461.56 × 2,911.67
  4. Step 4: Simplify right side
    10,307.15x = 45,018,944.72
  5. Step 5: Solve for x
    x = 45,018,944.72/10,307.15
  6. Step 6: Final answer
    x = 4,367.74

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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.