Home / 13,341.72-18,397.74-11,459.52

Finding the Fourth Proportional to 13,341.72, 18,397.74 and 11,459.52

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Solution

The fourth proportional to 13,341.72, 18,397.74 and 11,459.52 is: 15,802.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,341.72 : 18,397.74 = 11,459.52 : x
  2. Step 2: Convert to fraction form
    13,341.72/18,397.74 = 11,459.52/x
  3. Step 3: Cross multiply
    13,341.72x = 18,397.74 × 11,459.52
  4. Step 4: Simplify right side
    13,341.72x = 210,829,269.48
  5. Step 5: Solve for x
    x = 210,829,269.48/13,341.72
  6. Step 6: Final answer
    x = 15,802.26

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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.