Home / 13,124.98-19,677.07-6,547.78

Finding the Fourth Proportional to 13,124.98, 19,677.07 and 6,547.78

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Solution

The fourth proportional to 13,124.98, 19,677.07 and 6,547.78 is: 9,816.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,124.98 : 19,677.07 = 6,547.78 : x
  2. Step 2: Convert to fraction form
    13,124.98/19,677.07 = 6,547.78/x
  3. Step 3: Cross multiply
    13,124.98x = 19,677.07 × 6,547.78
  4. Step 4: Simplify right side
    13,124.98x = 128,841,125.40
  5. Step 5: Solve for x
    x = 128,841,125.40/13,124.98
  6. Step 6: Final answer
    x = 9,816.48

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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.