Home / 10,215.99-15,303.24-9,365.49

Finding the Fourth Proportional to 10,215.99, 15,303.24 and 9,365.49

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Solution

The fourth proportional to 10,215.99, 15,303.24 and 9,365.49 is: 14,029.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,215.99 : 15,303.24 = 9,365.49 : x
  2. Step 2: Convert to fraction form
    10,215.99/15,303.24 = 9,365.49/x
  3. Step 3: Cross multiply
    10,215.99x = 15,303.24 × 9,365.49
  4. Step 4: Simplify right side
    10,215.99x = 143,322,341.19
  5. Step 5: Solve for x
    x = 143,322,341.19/10,215.99
  6. Step 6: Final answer
    x = 14,029.22

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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.