Home / 12,812.02-19,223.95-4,911.93

Finding the Fourth Proportional to 12,812.02, 19,223.95 and 4,911.93

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Solution

The fourth proportional to 12,812.02, 19,223.95 and 4,911.93 is: 7,370.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,812.02 : 19,223.95 = 4,911.93 : x
  2. Step 2: Convert to fraction form
    12,812.02/19,223.95 = 4,911.93/x
  3. Step 3: Cross multiply
    12,812.02x = 19,223.95 × 4,911.93
  4. Step 4: Simplify right side
    12,812.02x = 94,426,696.72
  5. Step 5: Solve for x
    x = 94,426,696.72/12,812.02
  6. Step 6: Final answer
    x = 7,370.16

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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.