Home / 11,886.48-17,833.50-4,870.80

Finding the Fourth Proportional to 11,886.48, 17,833.50 and 4,870.80

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Solution

The fourth proportional to 11,886.48, 17,833.50 and 4,870.80 is: 7,307.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,886.48 : 17,833.50 = 4,870.80 : x
  2. Step 2: Convert to fraction form
    11,886.48/17,833.50 = 4,870.80/x
  3. Step 3: Cross multiply
    11,886.48x = 17,833.50 × 4,870.80
  4. Step 4: Simplify right side
    11,886.48x = 86,863,411.80
  5. Step 5: Solve for x
    x = 86,863,411.80/11,886.48
  6. Step 6: Final answer
    x = 7,307.75

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1.5x scale

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.