Home / 15,306.40-22,971.12-10,364.32

Finding the Fourth Proportional to 15,306.40, 22,971.12 and 10,364.32

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Solution

The fourth proportional to 15,306.40, 22,971.12 and 10,364.32 is: 15,554.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,306.40 : 22,971.12 = 10,364.32 : x
  2. Step 2: Convert to fraction form
    15,306.40/22,971.12 = 10,364.32/x
  3. Step 3: Cross multiply
    15,306.40x = 22,971.12 × 10,364.32
  4. Step 4: Simplify right side
    15,306.40x = 238,080,038.44
  5. Step 5: Solve for x
    x = 238,080,038.44/15,306.40
  6. Step 6: Final answer
    x = 15,554.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.