Home / 11,031.48-16,547.12-4,457.56

Finding the Fourth Proportional to 11,031.48, 16,547.12 and 4,457.56

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Solution

The fourth proportional to 11,031.48, 16,547.12 and 4,457.56 is: 6,686.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,031.48 : 16,547.12 = 4,457.56 : x
  2. Step 2: Convert to fraction form
    11,031.48/16,547.12 = 4,457.56/x
  3. Step 3: Cross multiply
    11,031.48x = 16,547.12 × 4,457.56
  4. Step 4: Simplify right side
    11,031.48x = 73,759,780.23
  5. Step 5: Solve for x
    x = 73,759,780.23/11,031.48
  6. Step 6: Final answer
    x = 6,686.30

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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.