Home / 13,095.62-18,071.47-7,127.16

Finding the Fourth Proportional to 13,095.62, 18,071.47 and 7,127.16

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Solution

The fourth proportional to 13,095.62, 18,071.47 and 7,127.16 is: 9,835.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,095.62 : 18,071.47 = 7,127.16 : x
  2. Step 2: Convert to fraction form
    13,095.62/18,071.47 = 7,127.16/x
  3. Step 3: Cross multiply
    13,095.62x = 18,071.47 × 7,127.16
  4. Step 4: Simplify right side
    13,095.62x = 128,798,199.27
  5. Step 5: Solve for x
    x = 128,798,199.27/13,095.62
  6. Step 6: Final answer
    x = 9,835.21

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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.