Home / 15,558.87-23,341.04-5,031.20

Finding the Fourth Proportional to 15,558.87, 23,341.04 and 5,031.20

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Solution

The fourth proportional to 15,558.87, 23,341.04 and 5,031.20 is: 7,547.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,558.87 : 23,341.04 = 5,031.20 : x
  2. Step 2: Convert to fraction form
    15,558.87/23,341.04 = 5,031.20/x
  3. Step 3: Cross multiply
    15,558.87x = 23,341.04 × 5,031.20
  4. Step 4: Simplify right side
    15,558.87x = 117,433,440.45
  5. Step 5: Solve for x
    x = 117,433,440.45/15,558.87
  6. Step 6: Final answer
    x = 7,547.68

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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.