Home / 15,306.16-21,117.08-10,004.04

Finding the Fourth Proportional to 15,306.16, 21,117.08 and 10,004.04

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Solution

The fourth proportional to 15,306.16, 21,117.08 and 10,004.04 is: 13,802.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,306.16 : 21,117.08 = 10,004.04 : x
  2. Step 2: Convert to fraction form
    15,306.16/21,117.08 = 10,004.04/x
  3. Step 3: Cross multiply
    15,306.16x = 21,117.08 × 10,004.04
  4. Step 4: Simplify right side
    15,306.16x = 211,256,113.00
  5. Step 5: Solve for x
    x = 211,256,113.00/15,306.16
  6. Step 6: Final answer
    x = 13,802.03

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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.