Home / 13,349.34-18,424.35-9,040.53

Finding the Fourth Proportional to 13,349.34, 18,424.35 and 9,040.53

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Solution

The fourth proportional to 13,349.34, 18,424.35 and 9,040.53 is: 12,477.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,349.34 : 18,424.35 = 9,040.53 : x
  2. Step 2: Convert to fraction form
    13,349.34/18,424.35 = 9,040.53/x
  3. Step 3: Cross multiply
    13,349.34x = 18,424.35 × 9,040.53
  4. Step 4: Simplify right side
    13,349.34x = 166,565,888.91
  5. Step 5: Solve for x
    x = 166,565,888.91/13,349.34
  6. Step 6: Final answer
    x = 12,477.46

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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.