Home / 15,172.98-22,762.71-5,312.58

Finding the Fourth Proportional to 15,172.98, 22,762.71 and 5,312.58

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Solution

The fourth proportional to 15,172.98, 22,762.71 and 5,312.58 is: 7,970.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,172.98 : 22,762.71 = 5,312.58 : x
  2. Step 2: Convert to fraction form
    15,172.98/22,762.71 = 5,312.58/x
  3. Step 3: Cross multiply
    15,172.98x = 22,762.71 × 5,312.58
  4. Step 4: Simplify right side
    15,172.98x = 120,928,717.89
  5. Step 5: Solve for x
    x = 120,928,717.89/15,172.98
  6. Step 6: Final answer
    x = 7,970.00

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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.