Home / 13,030.08-19,547.20-5,636.80

Finding the Fourth Proportional to 13,030.08, 19,547.20 and 5,636.80

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Solution

The fourth proportional to 13,030.08, 19,547.20 and 5,636.80 is: 8,456.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,030.08 : 19,547.20 = 5,636.80 : x
  2. Step 2: Convert to fraction form
    13,030.08/19,547.20 = 5,636.80/x
  3. Step 3: Cross multiply
    13,030.08x = 19,547.20 × 5,636.80
  4. Step 4: Simplify right side
    13,030.08x = 110,183,656.96
  5. Step 5: Solve for x
    x = 110,183,656.96/13,030.08
  6. Step 6: Final answer
    x = 8,456.10

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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.