Home / 13,424.58-18,526.86-9,447.03

Finding the Fourth Proportional to 13,424.58, 18,526.86 and 9,447.03

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Solution

The fourth proportional to 13,424.58, 18,526.86 and 9,447.03 is: 13,037.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,424.58 : 18,526.86 = 9,447.03 : x
  2. Step 2: Convert to fraction form
    13,424.58/18,526.86 = 9,447.03/x
  3. Step 3: Cross multiply
    13,424.58x = 18,526.86 × 9,447.03
  4. Step 4: Simplify right side
    13,424.58x = 175,023,802.23
  5. Step 5: Solve for x
    x = 175,023,802.23/13,424.58
  6. Step 6: Final answer
    x = 13,037.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.