Home / 10,317.18-15,485.09-6,977.35

Finding the Fourth Proportional to 10,317.18, 15,485.09 and 6,977.35

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Solution

The fourth proportional to 10,317.18, 15,485.09 and 6,977.35 is: 10,472.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,317.18 : 15,485.09 = 6,977.35 : x
  2. Step 2: Convert to fraction form
    10,317.18/15,485.09 = 6,977.35/x
  3. Step 3: Cross multiply
    10,317.18x = 15,485.09 × 6,977.35
  4. Step 4: Simplify right side
    10,317.18x = 108,044,819.11
  5. Step 5: Solve for x
    x = 108,044,819.11/10,317.18
  6. Step 6: Final answer
    x = 10,472.32

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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.