Home / 14,113.62-19,476.69-7,740.05

Finding the Fourth Proportional to 14,113.62, 19,476.69 and 7,740.05

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Solution

The fourth proportional to 14,113.62, 19,476.69 and 7,740.05 is: 10,681.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,113.62 : 19,476.69 = 7,740.05 : x
  2. Step 2: Convert to fraction form
    14,113.62/19,476.69 = 7,740.05/x
  3. Step 3: Cross multiply
    14,113.62x = 19,476.69 × 7,740.05
  4. Step 4: Simplify right side
    14,113.62x = 150,750,457.05
  5. Step 5: Solve for x
    x = 150,750,457.05/14,113.62
  6. Step 6: Final answer
    x = 10,681.20

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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.