Home / 10,317.70-15,483.57-9,703.18

Finding the Fourth Proportional to 10,317.70, 15,483.57 and 9,703.18

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Solution

The fourth proportional to 10,317.70, 15,483.57 and 9,703.18 is: 14,561.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,317.70 : 15,483.57 = 9,703.18 : x
  2. Step 2: Convert to fraction form
    10,317.70/15,483.57 = 9,703.18/x
  3. Step 3: Cross multiply
    10,317.70x = 15,483.57 × 9,703.18
  4. Step 4: Simplify right side
    10,317.70x = 150,239,866.75
  5. Step 5: Solve for x
    x = 150,239,866.75/10,317.70
  6. Step 6: Final answer
    x = 14,561.37

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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.