Home / 13,904.34-19,189.81-7,937.17

Finding the Fourth Proportional to 13,904.34, 19,189.81 and 7,937.17

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Solution

The fourth proportional to 13,904.34, 19,189.81 and 7,937.17 is: 10,954.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,904.34 : 19,189.81 = 7,937.17 : x
  2. Step 2: Convert to fraction form
    13,904.34/19,189.81 = 7,937.17/x
  3. Step 3: Cross multiply
    13,904.34x = 19,189.81 × 7,937.17
  4. Step 4: Simplify right side
    13,904.34x = 152,312,746.18
  5. Step 5: Solve for x
    x = 152,312,746.18/13,904.34
  6. Step 6: Final answer
    x = 10,954.33

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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.