Home / 19,318.50-26,659.53-10,935

Finding the Fourth Proportional to 19,318.50, 26,659.53 and 10,935

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Solution

The fourth proportional to 19,318.50, 26,659.53 and 10,935 is: 15,090.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,318.50 : 26,659.53 = 10,935 : x
  2. Step 2: Convert to fraction form
    19,318.50/26,659.53 = 10,935/x
  3. Step 3: Cross multiply
    19,318.50x = 26,659.53 × 10,935
  4. Step 4: Simplify right side
    19,318.50x = 291,521,960.55
  5. Step 5: Solve for x
    x = 291,521,960.55/19,318.50
  6. Step 6: Final answer
    x = 15,090.30

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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.