Home / 12,130.77-18,191.16-4,637.10

Finding the Fourth Proportional to 12,130.77, 18,191.16 and 4,637.10

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Solution

The fourth proportional to 12,130.77, 18,191.16 and 4,637.10 is: 6,953.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,130.77 : 18,191.16 = 4,637.10 : x
  2. Step 2: Convert to fraction form
    12,130.77/18,191.16 = 4,637.10/x
  3. Step 3: Cross multiply
    12,130.77x = 18,191.16 × 4,637.10
  4. Step 4: Simplify right side
    12,130.77x = 84,354,228.04
  5. Step 5: Solve for x
    x = 84,354,228.04/12,130.77
  6. Step 6: Final answer
    x = 6,953.74

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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.