Home / 10,386.19-15,554.45-5,698.99

Finding the Fourth Proportional to 10,386.19, 15,554.45 and 5,698.99

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Solution

The fourth proportional to 10,386.19, 15,554.45 and 5,698.99 is: 8,534.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,386.19 : 15,554.45 = 5,698.99 : x
  2. Step 2: Convert to fraction form
    10,386.19/15,554.45 = 5,698.99/x
  3. Step 3: Cross multiply
    10,386.19x = 15,554.45 × 5,698.99
  4. Step 4: Simplify right side
    10,386.19x = 88,644,626.51
  5. Step 5: Solve for x
    x = 88,644,626.51/10,386.19
  6. Step 6: Final answer
    x = 8,534.86

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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.