Home / 14,258.47-21,387.48-5,495.35

Finding the Fourth Proportional to 14,258.47, 21,387.48 and 5,495.35

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Solution

The fourth proportional to 14,258.47, 21,387.48 and 5,495.35 is: 8,242.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,258.47 : 21,387.48 = 5,495.35 : x
  2. Step 2: Convert to fraction form
    14,258.47/21,387.48 = 5,495.35/x
  3. Step 3: Cross multiply
    14,258.47x = 21,387.48 × 5,495.35
  4. Step 4: Simplify right side
    14,258.47x = 117,531,688.22
  5. Step 5: Solve for x
    x = 117,531,688.22/14,258.47
  6. Step 6: Final answer
    x = 8,242.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.