Home / 13,746.93-18,970.72-7,459.30

Finding the Fourth Proportional to 13,746.93, 18,970.72 and 7,459.30

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Solution

The fourth proportional to 13,746.93, 18,970.72 and 7,459.30 is: 10,293.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,746.93 : 18,970.72 = 7,459.30 : x
  2. Step 2: Convert to fraction form
    13,746.93/18,970.72 = 7,459.30/x
  3. Step 3: Cross multiply
    13,746.93x = 18,970.72 × 7,459.30
  4. Step 4: Simplify right side
    13,746.93x = 141,508,291.70
  5. Step 5: Solve for x
    x = 141,508,291.70/13,746.93
  6. Step 6: Final answer
    x = 10,293.81

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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.