Home / 12,304.89-18,457.32-5,280.36

Finding the Fourth Proportional to 12,304.89, 18,457.32 and 5,280.36

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Solution

The fourth proportional to 12,304.89, 18,457.32 and 5,280.36 is: 7,920.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,304.89 : 18,457.32 = 5,280.36 : x
  2. Step 2: Convert to fraction form
    12,304.89/18,457.32 = 5,280.36/x
  3. Step 3: Cross multiply
    12,304.89x = 18,457.32 × 5,280.36
  4. Step 4: Simplify right side
    12,304.89x = 97,461,294.24
  5. Step 5: Solve for x
    x = 97,461,294.24/12,304.89
  6. Step 6: Final answer
    x = 7,920.53

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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.