Home / 13,095.79-18,071.18-7,127.33

Finding the Fourth Proportional to 13,095.79, 18,071.18 and 7,127.33

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Solution

The fourth proportional to 13,095.79, 18,071.18 and 7,127.33 is: 9,835.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,095.79 : 18,071.18 = 7,127.33 : x
  2. Step 2: Convert to fraction form
    13,095.79/18,071.18 = 7,127.33/x
  3. Step 3: Cross multiply
    13,095.79x = 18,071.18 × 7,127.33
  4. Step 4: Simplify right side
    13,095.79x = 128,799,164.08
  5. Step 5: Solve for x
    x = 128,799,164.08/13,095.79
  6. Step 6: Final answer
    x = 9,835.16

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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.