Home / 12,430.02-18,645.28-4,637.28

Finding the Fourth Proportional to 12,430.02, 18,645.28 and 4,637.28

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Solution

The fourth proportional to 12,430.02, 18,645.28 and 4,637.28 is: 6,956.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,430.02 : 18,645.28 = 4,637.28 : x
  2. Step 2: Convert to fraction form
    12,430.02/18,645.28 = 4,637.28/x
  3. Step 3: Cross multiply
    12,430.02x = 18,645.28 × 4,637.28
  4. Step 4: Simplify right side
    12,430.02x = 86,463,384.04
  5. Step 5: Solve for x
    x = 86,463,384.04/12,430.02
  6. Step 6: Final answer
    x = 6,956.01

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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.