Home / 9,828.23-13,547.15-6,640.53

Finding the Fourth Proportional to 9,828.23, 13,547.15 and 6,640.53

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Solution

The fourth proportional to 9,828.23, 13,547.15 and 6,640.53 is: 9,153.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,828.23 : 13,547.15 = 6,640.53 : x
  2. Step 2: Convert to fraction form
    9,828.23/13,547.15 = 6,640.53/x
  3. Step 3: Cross multiply
    9,828.23x = 13,547.15 × 6,640.53
  4. Step 4: Simplify right side
    9,828.23x = 89,960,255.99
  5. Step 5: Solve for x
    x = 89,960,255.99/9,828.23
  6. Step 6: Final answer
    x = 9,153.25

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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.