Home / 13,321-19,981.50-5,002.93

Finding the Fourth Proportional to 13,321, 19,981.50 and 5,002.93

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Solution

The fourth proportional to 13,321, 19,981.50 and 5,002.93 is: 7,504.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,321 : 19,981.50 = 5,002.93 : x
  2. Step 2: Convert to fraction form
    13,321/19,981.50 = 5,002.93/x
  3. Step 3: Cross multiply
    13,321x = 19,981.50 × 5,002.93
  4. Step 4: Simplify right side
    13,321x = 99,966,045.80
  5. Step 5: Solve for x
    x = 99,966,045.80/13,321
  6. Step 6: Final answer
    x = 7,504.40

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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.