Home / 14,017.36-21,019.20-5,008.40

Finding the Fourth Proportional to 14,017.36, 21,019.20 and 5,008.40

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Solution

The fourth proportional to 14,017.36, 21,019.20 and 5,008.40 is: 7,510.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,017.36 : 21,019.20 = 5,008.40 : x
  2. Step 2: Convert to fraction form
    14,017.36/21,019.20 = 5,008.40/x
  3. Step 3: Cross multiply
    14,017.36x = 21,019.20 × 5,008.40
  4. Step 4: Simplify right side
    14,017.36x = 105,272,561.28
  5. Step 5: Solve for x
    x = 105,272,561.28/14,017.36
  6. Step 6: Final answer
    x = 7,510.16

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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.