Home / 10,130.04-13,976.94-7,618.17

Finding the Fourth Proportional to 10,130.04, 13,976.94 and 7,618.17

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Solution

The fourth proportional to 10,130.04, 13,976.94 and 7,618.17 is: 10,511.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,130.04 : 13,976.94 = 7,618.17 : x
  2. Step 2: Convert to fraction form
    10,130.04/13,976.94 = 7,618.17/x
  3. Step 3: Cross multiply
    10,130.04x = 13,976.94 × 7,618.17
  4. Step 4: Simplify right side
    10,130.04x = 106,478,705.00
  5. Step 5: Solve for x
    x = 106,478,705.00/10,130.04
  6. Step 6: Final answer
    x = 10,511.18

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1.5x scale

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.