Home / 15,220.46-21,017.59-9,565.00

Finding the Fourth Proportional to 15,220.46, 21,017.59 and 9,565.00

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Solution

The fourth proportional to 15,220.46, 21,017.59 and 9,565.00 is: 13,208.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,220.46 : 21,017.59 = 9,565.00 : x
  2. Step 2: Convert to fraction form
    15,220.46/21,017.59 = 9,565.00/x
  3. Step 3: Cross multiply
    15,220.46x = 21,017.59 × 9,565.00
  4. Step 4: Simplify right side
    15,220.46x = 201,033,250.71
  5. Step 5: Solve for x
    x = 201,033,250.71/15,220.46
  6. Step 6: Final answer
    x = 13,208.10

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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.