Home / 16,931.84-23,362.62-10,640.58

Finding the Fourth Proportional to 16,931.84, 23,362.62 and 10,640.58

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Solution

The fourth proportional to 16,931.84, 23,362.62 and 10,640.58 is: 14,681.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,931.84 : 23,362.62 = 10,640.58 : x
  2. Step 2: Convert to fraction form
    16,931.84/23,362.62 = 10,640.58/x
  3. Step 3: Cross multiply
    16,931.84x = 23,362.62 × 10,640.58
  4. Step 4: Simplify right side
    16,931.84x = 248,591,827.12
  5. Step 5: Solve for x
    x = 248,591,827.12/16,931.84
  6. Step 6: Final answer
    x = 14,681.91

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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.