Home / 10,860.28-16,312.29-10,554.10

Finding the Fourth Proportional to 10,860.28, 16,312.29 and 10,554.10

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Solution

The fourth proportional to 10,860.28, 16,312.29 and 10,554.10 is: 15,852.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,860.28 : 16,312.29 = 10,554.10 : x
  2. Step 2: Convert to fraction form
    10,860.28/16,312.29 = 10,554.10/x
  3. Step 3: Cross multiply
    10,860.28x = 16,312.29 × 10,554.10
  4. Step 4: Simplify right side
    10,860.28x = 172,161,459.53
  5. Step 5: Solve for x
    x = 172,161,459.53/10,860.28
  6. Step 6: Final answer
    x = 15,852.40

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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.