Home / 13,333.49-19,993.51-4,445.67

Finding the Fourth Proportional to 13,333.49, 19,993.51 and 4,445.67

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Solution

The fourth proportional to 13,333.49, 19,993.51 and 4,445.67 is: 6,666.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,333.49 : 19,993.51 = 4,445.67 : x
  2. Step 2: Convert to fraction form
    13,333.49/19,993.51 = 4,445.67/x
  3. Step 3: Cross multiply
    13,333.49x = 19,993.51 × 4,445.67
  4. Step 4: Simplify right side
    13,333.49x = 88,884,547.60
  5. Step 5: Solve for x
    x = 88,884,547.60/13,333.49
  6. Step 6: Final answer
    x = 6,666.26

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Double scale
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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.