Home / 8,124.15-12,210.53-7,054.95

Finding the Fourth Proportional to 8,124.15, 12,210.53 and 7,054.95

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Solution

The fourth proportional to 8,124.15, 12,210.53 and 7,054.95 is: 10,603.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,124.15 : 12,210.53 = 7,054.95 : x
  2. Step 2: Convert to fraction form
    8,124.15/12,210.53 = 7,054.95/x
  3. Step 3: Cross multiply
    8,124.15x = 12,210.53 × 7,054.95
  4. Step 4: Simplify right side
    8,124.15x = 86,144,643.35
  5. Step 5: Solve for x
    x = 86,144,643.35/8,124.15
  6. Step 6: Final answer
    x = 10,603.53

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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.