Home / 12,810.07-19,216.10-4,916.37

Finding the Fourth Proportional to 12,810.07, 19,216.10 and 4,916.37

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Solution

The fourth proportional to 12,810.07, 19,216.10 and 4,916.37 is: 7,374.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,810.07 : 19,216.10 = 4,916.37 : x
  2. Step 2: Convert to fraction form
    12,810.07/19,216.10 = 4,916.37/x
  3. Step 3: Cross multiply
    12,810.07x = 19,216.10 × 4,916.37
  4. Step 4: Simplify right side
    12,810.07x = 94,473,457.56
  5. Step 5: Solve for x
    x = 94,473,457.56/12,810.07
  6. Step 6: Final answer
    x = 7,374.94

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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.