Home / 13,095.07-18,071.64-7,126.95

Finding the Fourth Proportional to 13,095.07, 18,071.64 and 7,126.95

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Solution

The fourth proportional to 13,095.07, 18,071.64 and 7,126.95 is: 9,835.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,095.07 : 18,071.64 = 7,126.95 : x
  2. Step 2: Convert to fraction form
    13,095.07/18,071.64 = 7,126.95/x
  3. Step 3: Cross multiply
    13,095.07x = 18,071.64 × 7,126.95
  4. Step 4: Simplify right side
    13,095.07x = 128,795,742.47
  5. Step 5: Solve for x
    x = 128,795,742.47/13,095.07
  6. Step 6: Final answer
    x = 9,835.44

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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.