Home / 14,638.36-21,968.45-9,099.79

Finding the Fourth Proportional to 14,638.36, 21,968.45 and 9,099.79

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Solution

The fourth proportional to 14,638.36, 21,968.45 and 9,099.79 is: 13,656.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,638.36 : 21,968.45 = 9,099.79 : x
  2. Step 2: Convert to fraction form
    14,638.36/21,968.45 = 9,099.79/x
  3. Step 3: Cross multiply
    14,638.36x = 21,968.45 × 9,099.79
  4. Step 4: Simplify right side
    14,638.36x = 199,908,281.63
  5. Step 5: Solve for x
    x = 199,908,281.63/14,638.36
  6. Step 6: Final answer
    x = 13,656.47

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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.