Home / 15,804.18-23,689.80-6,440.13

Finding the Fourth Proportional to 15,804.18, 23,689.80 and 6,440.13

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Solution

The fourth proportional to 15,804.18, 23,689.80 and 6,440.13 is: 9,653.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,804.18 : 23,689.80 = 6,440.13 : x
  2. Step 2: Convert to fraction form
    15,804.18/23,689.80 = 6,440.13/x
  3. Step 3: Cross multiply
    15,804.18x = 23,689.80 × 6,440.13
  4. Step 4: Simplify right side
    15,804.18x = 152,565,391.67
  5. Step 5: Solve for x
    x = 152,565,391.67/15,804.18
  6. Step 6: Final answer
    x = 9,653.48

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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.