Home / 13,746.99-18,971.19-7,459.35

Finding the Fourth Proportional to 13,746.99, 18,971.19 and 7,459.35

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Solution

The fourth proportional to 13,746.99, 18,971.19 and 7,459.35 is: 10,294.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,746.99 : 18,971.19 = 7,459.35 : x
  2. Step 2: Convert to fraction form
    13,746.99/18,971.19 = 7,459.35/x
  3. Step 3: Cross multiply
    13,746.99x = 18,971.19 × 7,459.35
  4. Step 4: Simplify right side
    13,746.99x = 141,512,746.13
  5. Step 5: Solve for x
    x = 141,512,746.13/13,746.99
  6. Step 6: Final answer
    x = 10,294.09

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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.