Home / 17,875.53-24,669.39-9,918.63

Finding the Fourth Proportional to 17,875.53, 24,669.39 and 9,918.63

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Solution

The fourth proportional to 17,875.53, 24,669.39 and 9,918.63 is: 13,688.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,875.53 : 24,669.39 = 9,918.63 : x
  2. Step 2: Convert to fraction form
    17,875.53/24,669.39 = 9,918.63/x
  3. Step 3: Cross multiply
    17,875.53x = 24,669.39 × 9,918.63
  4. Step 4: Simplify right side
    17,875.53x = 244,686,551.74
  5. Step 5: Solve for x
    x = 244,686,551.74/17,875.53
  6. Step 6: Final answer
    x = 13,688.35

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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.