Home / 13,127.04-19,690.56-4,807.26

Finding the Fourth Proportional to 13,127.04, 19,690.56 and 4,807.26

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Solution

The fourth proportional to 13,127.04, 19,690.56 and 4,807.26 is: 7,210.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,127.04 : 19,690.56 = 4,807.26 : x
  2. Step 2: Convert to fraction form
    13,127.04/19,690.56 = 4,807.26/x
  3. Step 3: Cross multiply
    13,127.04x = 19,690.56 × 4,807.26
  4. Step 4: Simplify right side
    13,127.04x = 94,657,641.47
  5. Step 5: Solve for x
    x = 94,657,641.47/13,127.04
  6. Step 6: Final answer
    x = 7,210.89

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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.