Home / 10,389.06-14,339.98-7,246.26

Finding the Fourth Proportional to 10,389.06, 14,339.98 and 7,246.26

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Solution

The fourth proportional to 10,389.06, 14,339.98 and 7,246.26 is: 10,001.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,389.06 : 14,339.98 = 7,246.26 : x
  2. Step 2: Convert to fraction form
    10,389.06/14,339.98 = 7,246.26/x
  3. Step 3: Cross multiply
    10,389.06x = 14,339.98 × 7,246.26
  4. Step 4: Simplify right side
    10,389.06x = 103,911,223.47
  5. Step 5: Solve for x
    x = 103,911,223.47/10,389.06
  6. Step 6: Final answer
    x = 10,001.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.