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Finding the Fourth Proportional to 17,457.48, 24,089.49 and 9,901.40

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Solution

The fourth proportional to 17,457.48, 24,089.49 and 9,901.40 is: 13,662.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,457.48 : 24,089.49 = 9,901.40 : x
  2. Step 2: Convert to fraction form
    17,457.48/24,089.49 = 9,901.40/x
  3. Step 3: Cross multiply
    17,457.48x = 24,089.49 × 9,901.40
  4. Step 4: Simplify right side
    17,457.48x = 238,519,555.84
  5. Step 5: Solve for x
    x = 238,519,555.84/17,457.48
  6. Step 6: Final answer
    x = 13,662.89

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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.