Home / 31,015.20-46,510.65-11,283.60

Finding the Fourth Proportional to 31,015.20, 46,510.65 and 11,283.60

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Solution

The fourth proportional to 31,015.20, 46,510.65 and 11,283.60 is: 16,920.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,015.20 : 46,510.65 = 11,283.60 : x
  2. Step 2: Convert to fraction form
    31,015.20/46,510.65 = 11,283.60/x
  3. Step 3: Cross multiply
    31,015.20x = 46,510.65 × 11,283.60
  4. Step 4: Simplify right side
    31,015.20x = 524,807,570.34
  5. Step 5: Solve for x
    x = 524,807,570.34/31,015.20
  6. Step 6: Final answer
    x = 16,920.98

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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.