Home / 10,455.63-15,688.82-6,948.06

Finding the Fourth Proportional to 10,455.63, 15,688.82 and 6,948.06

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Solution

The fourth proportional to 10,455.63, 15,688.82 and 6,948.06 is: 10,425.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,455.63 : 15,688.82 = 6,948.06 : x
  2. Step 2: Convert to fraction form
    10,455.63/15,688.82 = 6,948.06/x
  3. Step 3: Cross multiply
    10,455.63x = 15,688.82 × 6,948.06
  4. Step 4: Simplify right side
    10,455.63x = 109,006,862.69
  5. Step 5: Solve for x
    x = 109,006,862.69/10,455.63
  6. Step 6: Final answer
    x = 10,425.66

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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.