Home / 10,477.93-15,718.52-4,931.86

Finding the Fourth Proportional to 10,477.93, 15,718.52 and 4,931.86

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Solution

The fourth proportional to 10,477.93, 15,718.52 and 4,931.86 is: 7,398.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,477.93 : 15,718.52 = 4,931.86 : x
  2. Step 2: Convert to fraction form
    10,477.93/15,718.52 = 4,931.86/x
  3. Step 3: Cross multiply
    10,477.93x = 15,718.52 × 4,931.86
  4. Step 4: Simplify right side
    10,477.93x = 77,521,476.09
  5. Step 5: Solve for x
    x = 77,521,476.09/10,477.93
  6. Step 6: Final answer
    x = 7,398.55

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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.