Home / 15,290.17-21,114.68-14,461.74

Finding the Fourth Proportional to 15,290.17, 21,114.68 and 14,461.74

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Solution

The fourth proportional to 15,290.17, 21,114.68 and 14,461.74 is: 19,970.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,290.17 : 21,114.68 = 14,461.74 : x
  2. Step 2: Convert to fraction form
    15,290.17/21,114.68 = 14,461.74/x
  3. Step 3: Cross multiply
    15,290.17x = 21,114.68 × 14,461.74
  4. Step 4: Simplify right side
    15,290.17x = 305,354,940.03
  5. Step 5: Solve for x
    x = 305,354,940.03/15,290.17
  6. Step 6: Final answer
    x = 19,970.67

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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.