Home / 11,870.64-16,381.04-6,565.36

Finding the Fourth Proportional to 11,870.64, 16,381.04 and 6,565.36

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Solution

The fourth proportional to 11,870.64, 16,381.04 and 6,565.36 is: 9,059.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,870.64 : 16,381.04 = 6,565.36 : x
  2. Step 2: Convert to fraction form
    11,870.64/16,381.04 = 6,565.36/x
  3. Step 3: Cross multiply
    11,870.64x = 16,381.04 × 6,565.36
  4. Step 4: Simplify right side
    11,870.64x = 107,547,424.77
  5. Step 5: Solve for x
    x = 107,547,424.77/11,870.64
  6. Step 6: Final answer
    x = 9,059.95

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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.