Home / 13,048.24-19,547.17-7,787.45

Finding the Fourth Proportional to 13,048.24, 19,547.17 and 7,787.45

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Solution

The fourth proportional to 13,048.24, 19,547.17 and 7,787.45 is: 11,666.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,048.24 : 19,547.17 = 7,787.45 : x
  2. Step 2: Convert to fraction form
    13,048.24/19,547.17 = 7,787.45/x
  3. Step 3: Cross multiply
    13,048.24x = 19,547.17 × 7,787.45
  4. Step 4: Simplify right side
    13,048.24x = 152,222,609.02
  5. Step 5: Solve for x
    x = 152,222,609.02/13,048.24
  6. Step 6: Final answer
    x = 11,666.14

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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.