Home / 15,088.05-22,530.47-12,320.12

Finding the Fourth Proportional to 15,088.05, 22,530.47 and 12,320.12

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Solution

The fourth proportional to 15,088.05, 22,530.47 and 12,320.12 is: 18,397.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,088.05 : 22,530.47 = 12,320.12 : x
  2. Step 2: Convert to fraction form
    15,088.05/22,530.47 = 12,320.12/x
  3. Step 3: Cross multiply
    15,088.05x = 22,530.47 × 12,320.12
  4. Step 4: Simplify right side
    15,088.05x = 277,578,088.78
  5. Step 5: Solve for x
    x = 277,578,088.78/15,088.05
  6. Step 6: Final answer
    x = 18,397.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.