Home / 13,095.50-18,071.75-7,127.17

Finding the Fourth Proportional to 13,095.50, 18,071.75 and 7,127.17

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Solution

The fourth proportional to 13,095.50, 18,071.75 and 7,127.17 is: 9,835.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,095.50 : 18,071.75 = 7,127.17 : x
  2. Step 2: Convert to fraction form
    13,095.50/18,071.75 = 7,127.17/x
  3. Step 3: Cross multiply
    13,095.50x = 18,071.75 × 7,127.17
  4. Step 4: Simplify right side
    13,095.50x = 128,800,367.00
  5. Step 5: Solve for x
    x = 128,800,367.00/13,095.50
  6. Step 6: Final answer
    x = 9,835.47

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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.